Vibration-proof electrical high current flat socket contact device

Abstract

The invention relates to a vibration-proof electrical high-current flat socket contact device (1) for an electrical high-current connection of a vehicle, in particular of a vehicle having a traction electric motor, comprising a mainly cuboidal contact chamber (110) into which a mainly cuboidal tab contact (510) can be inserted for electrically contacting the flat socket contact device (1), wherein a plurality of electrical contact springs (210) are arranged in the contact chamber (110) for electrically contacting and being separate from a mechanical holding spring (30) for mechanically holding the tab contact (510).

Description

TECHNICAL FIELD

[0001] The invention relates to a vibration-proof electrical high-current flat socket contact arrangement for an electrical high-current connection of a vehicle, in particular of a vehicle having a traction electric motor. The invention further relates to a vibration-proof electrical high-current connector, a vibration-proof electrical high-current connection and an electrical entity, respectively, for a vehicle, in particular for a vehicle having a traction electric motor, respectively. BACKGROUND

[0002] In the electrical industry (electronics, electrical engineering, power, energy technology, etc.), a large number of electrical connector devices or connector arrangements, socket connectors, pin connectors and / or hybrid connectors, etc. (in the following referred to as (electrical) connectors (also referred to as mating connectors)) are known, which are used to transmit electrical currents, voltages, signals and / or data at a wide range of currents, voltages, frequencies and / or data rates. In the context of low, medium and high voltages and / or low, medium and high currents, in particular in the automotive industry, such connectors must be able to ensure the transmission of electrical power, signals and / or data permanently, repeatedly and / or after a relatively long period of inactivity in a short time in mechanically stressed, warm, possibly hot, contaminated, humid and / or chemically aggressive environments. Due to the wide range of applications, a large number of specially designed connectors are known.

[0003] Such connectors, and possibly housings associated therewith (for example in the case of connector devices or connector arrangements) or higher-level housings (for example in the case of connector arrangements), can be attached to electrical wires, cables, cable harnesses, etc. (in the following referred to as pre-assembled (electrical) cables (also referred to as: electrical entities)) or at / in electrical devices or components, for example at / in housings of (power), optoelectronic or electronic components or corresponding aggregates, etc. (electrical entities), at / on lead frames, circuit boards, etc.

[0004] If the connector (with / without housing) is located on a cable, electrical wire or cable harness, this is also referred to as a flying (plug-in) connector or plug, socket or coupler; if it is located at / in an electrical, optoelectronic or electronic component, aggregate, etc., this is also referred to as a connector arrangement, for example a (built-in / mounted) connector, (built-in / mounted) plug or (built-in / mounted) socket. In addition, the connector at such an arrangement is often referred to as a (plug) receptacle, pin receptacle, pin strip or header. In the context of power engineering (generation, conversion, storage and transport of high-voltage currents within a power grid, preferably with three-phase high-voltage transmission), here reference is made to cable accessories because of their relatively complex structure.

[0005] Such connectors must ensure correct power transmission, wherein the mutually corresponding and partly complementary connectors (connector and mating connector) usually have locking and / or fastening means for permanently but usually releasably locking and / or fastening the connector at / in the mating connector and vice versa. In addition, the electrical connection means for the connector, for example comprising or at least having: the actual contact means (terminals; usually made in one piece or integrally in material, for example (crimp) contact elements, etc.) or contact devices (terminals; usually made in one piece from several or two parts, or in one piece in material, for example (crimp) contact devices) must be firmly held therein.

[0006] There is always an effort to improve electrical connectors and their terminals, in particular to design them more efficiently and to design and / or manufacture them at lower cost. Compliance with the vibration requirements (LV 214: class or severity: 2, 3 and / or 4) for electrical high-current connections often fails, because the terminals for high-current connections are relatively heavy, which is caused by the increased relative movement between the terminals (here: tab contact means and flat socket contact devices). It is an object of the present invention to propose a vibration-proof electrical high-current connection for vehicles, in particular for vehicles having traction electric motors. SUMMARY

[0007] The object of the present invention is achieved by a vibration-proof electrical high-current flat socket contact device for an electrical high-current connection for vehicles, in particular for vehicles having traction electric motors; by a vibration-proof electrical high-current connector for an electrical high-current connection for vehicles, in particular for vehicles having traction electric motors; by a vibration-proof electrical high-current connection for vehicles, in particular for vehicles having traction electric motors; and by an electrical entity for vehicles, in particular for vehicles having traction electric motors. Advantageous developments, additional features and / or advantages of the present invention will result from the dependent claims and the following description.

[0008] The flat socket contact device according to the present invention has a contact chamber which is mainly or essentially cuboid, wherein a tab contact which is mainly or essentially cuboid can be inserted to electrically contact the flat socket contact device, wherein a plurality of electrical contact springs for electrically contacting and separating from the tab contact and at least one or exactly one mechanical retention spring for mechanically retaining the tab contact against vibrations of the tab contact are arranged in the contact chamber. In this case, the tab contact is for example associated with a vibration-proof electrical high-current tab contact device.

[0009] The invention discloses a solution for preventing loss of electrical contact in an electromechanical high-current (plug-in) connection, wherein its flat design has further advantages. Since in addition to the contact spring an additional or separate holding spring is implemented, the holding spring can be designed specifically for the holding purpose and the electrical contact spring can be designed specifically for the electrical contact tab contact. It is not necessary to consider the design of the holding spring for electrical contact and / or the electrical contact spring for holding the tab contact.

[0010] According to the invention, the purpose of the electrical contacting (multiple electrical or electromechanical contact springs) and the mechanical holding (at least one mechanical or mechanical-electrical holding spring) of the tab contact device with the tab contact in the flat socket contact device are realized separately from each other in the flat socket contact device. Since the partial solutions (electrical contacting and mechanical contacting) of the two purposes (electrical contacting and mechanical holding) are similar, there is of course an overlap between the partial solutions in the case of the overall solution according to the invention.

[0011] Here, electrical or electromechanical is intended to mean that the multiple (electrical) contact springs in the tab contact device inserted into the flat socket contact device have an electrical function first and only secondarily a mechanical function. Similarly, mechanical or mechanical-electrical is intended to mean that the at least one (mechanical) holding spring in the tab contact device inserted into the flat socket contact device has a mechanical function first and only secondarily an electrical function or no electrical function. For example, the holding spring can be made of an electrically conductive, poorly conductive or non-conductive material without reducing or in a way that no longer exists reducing the intended electrical suitability of the electrical connection comprising the flat socket contact device and the tab contact device.

[0012] The flat socket contact device can preferably be in accordance with LV 214, meet a vibration requirement of a class or in accordance with a severity of 2, 3 and / or 4. In particular, a vibration requirement of a class or in accordance with a severity of 3 is met by means of the flat socket contact device. In addition, the flat socket contact device, preferably in accordance with LV 214, can not meet a vibration requirement of a class or in accordance with a severity of 4 and / or higher. In addition, the flat socket contact device can be designed for a voltage of at least about 200 V, 300 V, 400 V, 500 V, 600 V, 750 V, 1 kV, 1.25 kV or 1.5 kV and / or for a current of at least about 200 A, 300 A, 400 A, 500 A, 600 A, 800 A, 1 kA or 1.25 kA. The flat socket contact device can of course be designed for a voltage below 200 V and / or for a current below 200 A.

[0013] The flat socket contact arrangement is preferably designed for a use temperature of about -40°C to about 120°C, 140°C, 150°C, 160°C, 170°C, 180°C, 190°C or 200°C. The flat socket contact arrangement is further designed for a copper cable cross section of at least about 16 mm 2 , 25 mm 2 , 35 mm 2 , 50 mm 2 , 70 mm 2 , 95 mm 2 , 120 mm 2 , 150 mm 2 and 185 mm 2 or more; aluminum cables can have to be converted. These statements of course also apply to the mating terminal of the flat socket contact arrangement, i.e. the tab contact device with the tab contacts (see below).

[0014] The flat socket contact arrangement can have a flat socket body. The flat socket body can comprise a socket portion and a connection portion at the socket portion. The socket portion preferably has two openings which are at a distance from each other in a longitudinal direction of the flat socket contact arrangement and in a respective plane, the plane extending in a vertical direction and in a lateral direction of the flat socket contact arrangement. The connection portion is designed for example as a transition portion or as a further contact portion. The socket portion and / or the transition portion are preferably formed from a solid rectangular material layer.

[0015] The socket portion and / or the connection portion can essentially be designed as a solid material layer portion without substantial channel recesses. The socket portion and / or the connection portion preferably have essentially or predominantly the same thickness over about 80%, 85%, 90%, 92.5%, 95%, 97.5%, 98%, 98.5% or 99% of its surface area. The front side of the flat socket body (i.e. as viewed in the direction of insertion of the tab contacts into the flat socket contact arrangement) can have an essentially or predominantly P-shaped cross section. That is, the flat socket body is designed as an angled flat socket body (the electrical connection to the flat socket body is angled with respect to the insertion direction of the tab contacts). A flat socket body of 0° (the electrical connection to the flat socket body is essentially located in the insertion direction of the tab contacts) is of course possible.

[0016] The flat socket body can be formed by bending a planar, solid, in particular rectangular material layer. The material layer (in the longitudinal extent in the transverse direction for a 90° flat socket body) can be bent back on itself, for example to form the flat socket body on longitudinal end portions, in order to form a socket portion, wherein the socket portion is provided with an outer shape corresponding to the inner contact chamber formed as a result (in an essentially cuboid manner). Here, the longitudinal end of the longitudinal end portion is bent onto and fastened to the central portion of the material layer, which can be performed, for example, by means of a partial penetration of the longitudinal end and the central portion. Here, the longitudinal end can additionally be plugged, riveted, welded, soldered and / or glued to the central portion. It is of course possible to use only the welding, soldering or gluing of the longitudinal end to the central portion. The material layer can be designed, for example, as a relatively thick sheet of metal (high current).

[0017] The electrical contact spring can be designed as an inner boundary of a contact chamber of the flat socket body of the flat socket contact device. Here, the electrical contact spring can be cut out of an inner wall of the flat socket body. As an alternative, the electrical contact spring can be arranged on an inner wall of the flat socket body, in the contact chamber. The electrical contact spring can also be arranged at / in a tab contact receptacle, which is arranged in the contact chamber as a separate part of the flat socket contact device.

[0018] The tab contact receptacle can be designed as at least one contact plate or at least one contact frame with the electrical contact spring. In each case, two contact plates or contact frames are preferred. The tab contact receptacle can be designed as a contact spring cage comprising the electrical contact spring, which is open in front in the plug-in direction or open in front and in back. The front side of the contact spring cage can have an essentially flat O-shaped cross section.

[0019] The possible respective contact plate, the possible respective contact frame or the contact spring cage has at least one electrical contact spring (contact protrusion, contact spring arm, contact lamella) in an inwardly protruding manner, i.e. inside the contact chamber of the flat socket body, on one or at least one of the two large-area sides (contact plate, contact frame), in particular on both (contact spring cage). This is the case in particular on both large-area sides. Here, the electrical contact spring can be configured as a contact spring arm on one side or as contact lamellae on both sides of the contact plate, the contact frame or the contact spring cage.

[0020] The possible respective contact plate or the possible respective contact frame can be mounted on the large-area inner wall of the flat socket body before the latter is bent, for example mechanically fastened, welded, soldered and / or glued. Depending on its design, the contact spring cage can be provided before (holding device) or after the flat socket body is bent.

[0021] The contact plate, the contact frame or the contact spring cage can have at least one fastening device by means of which it can be fixed to the contact chamber of the flat socket body / in it in at least one longitudinal direction. Here, the fastening device can be designed as a latching lug, a (spring) clip, a latching hook or a clamp, by means of which the contact plate, the contact frame or the contact spring cage can be fastened to the contact chamber / in it. In particular, the at least one tab contact receptacle is fastened to the flat socket body and the contact chamber / in it with six rotational degrees of freedom and with at least five, preferably six, linear degrees of freedom.

[0022] The tab contact can be mechanically held in the contact chamber in at least one longitudinal direction or in two longitudinal directions by means of a mechanical holding spring. The tab contact can also be mechanically held in the contact chamber in at least one transverse direction or in two transverse directions by means of a mechanical holding spring. In addition, the tab contact can be electrically contacted (primary function) and can be mechanically held (secondary function) in the contact chamber in at least one vertical direction or in two vertical directions by means of an electrical contact spring.

[0023] The tab contact can be held in the contact chamber by means of a mechanical holding spring by at least one of its two large-area sides and / or narrow sides. Preferably, at least one of the two large-area sides of the tab contact can be electrically contacted by means of an electrical contact spring, and at least one of the two narrow sides of the tab contact can be mechanically held by means of a mechanical holding spring. Preferably, each of these two sides of the tab contact can be electrically contacted and can be mechanically held.

[0024] The tab contact can be clamped, locked and / or supported in the contact chamber by means of a mechanical holding spring. The mechanical holding spring can also be designed in particular as a clamping spring and is preferably in the form of a clamp, a clasp, a claw or a cage. In particular, the mechanical holding spring is fastened to the flat socket body and the contact chamber / in it with six rotational degrees of freedom and with at least five, preferably six, linear degrees of freedom.

[0025] The mechanical holding spring can have at least one mechanical clamping spring arm which is arranged in the contact chamber to hold the tab contact. A narrow side or a large-area side of the tab contact can be held in the contact chamber by means of the mechanical clamping spring arm. The mechanical clamping spring arm for holding the tab contact can have clamping means, in particular inwardly pointing clamping protrusions. Analogous to the clamping means of the mechanical clamping spring arm, the tab contact preferably has inwardly pointing clamping means.

[0026] The at least one mechanical clamping spring arm can form an insertion space for the tab contact together with the tab contact receptacle. The at least one mechanical clamping spring arm can also be arranged in the tab contact receptacle and form an insertion space for the tab contact together with the tab contact receptacle. The mechanical holding spring can be designed as a mainly or essentially U-shaped clamping spring. The mechanical holding spring can also have a base and two mechanical clamping spring arms which project laterally from the base and between which the tab contact can be clamped. The base can be designed as a resilient base which has a tendency to pull the mechanical clamping spring arms out of the contact chamber. In addition, the mechanical holding spring can be inserted into the contact chamber with the clamping spring arms of the mechanical holding spring located in the front, wherein the clamping spring arms extend along the narrow inner side of the contact chamber or of the contact spring cage.

[0027] The mechanical holding spring can be fixed in the contact chamber in two longitudinal directions, for which purpose the base preferably has holding means which project from the base and can be seated on / at the edge of the first opening of the contact chamber. At least one clamping spring arm, at its free longitudinal end portion, can also be designed as a holding means which is seated at / on the edge of the second opening of the contact chamber. In particular, both clamping spring arms each have such a holding means. By means of at least one similar holding means, the tab contact receptacle, for example as a contact spring cage, can be fixed in the contact chamber in at least one, preferably two longitudinal directions. Here, the at least one holding means of the tab contact receptacle is arranged at an angle of approximately 90° with respect to the at least one holding means of the mechanical holding spring.

[0028] The mechanical holding spring is further designed as, for example, an anti-vibration spring, as it can be called. The individual mechanical holding spring is preferably arranged at / in the flat socket contact device. In addition, the flat socket body, the tab contact receptacle and / or the mechanical holding spring can be formed as a single piece, materially as a single piece or in particular as a unit.

[0029] The single-piece design refers to such a design of the flat socket body, the tab contact receptacle or the holding spring, wherein the individual parts are fixed to one another in a non-forced interlocking and / or forced interlocking locking manner and can preferably be separated again into their individual parts without damage. In the case of a multi-part design, the non-forced interlocking and / or forced interlocking locking connection is (necessarily) missing or is established by a third part.

[0030] Materially (adhesively) one-piece design means such a design of the flat socket body, the tab contact receptacle or the holding spring, wherein the individual parts are fixed to one another materially (welding, soldering, adhesion, lamination, etc.) and are preferably not separable again into their individual parts without damage. In this case, the bonding can further be produced by a non-positive locking and / or a positive locking connection (not in the case of an integral design).

[0031] Integral design means such a design of the flat socket body, the tab contact receptacle or the holding spring, wherein only a single component part, which can only be separated by being destroyed, is present. The component part is made from a single original piece (metal sheet, blank, etc.) and / or from a single original mass (molten metal), which as such is necessarily an integral part. The internal bonding is formed by means of adhesion and / or cohesion. - In all embodiments, a coating, a deposit, a galvanization, etc. can also be provided.

[0032] As a result of the implementation of an additional, separate and preferably removable mechanical holding spring in addition to the electrical contact spring, the inserted tab contact device or its tab contacts can be pulled further into the flat socket contact arrangement in the plug-in direction (arrow pointing upwards in Figure 2 ) and / or held there when vibrations are applied. In addition, the mechanical holding spring preferably generates a clamping force perpendicular to the plug-in direction of the tab contacts (arrow pointing to the left in Figure 2 ) which further stabilizes or centers the tab contacts in the flat socket contact arrangement.

[0033] This is achieved in particular by a mechanical holding spring which is slidingly or snap-fitted into a recess which is provided (in particular punched or stamped) on the narrow side of the tab contact (see below). The recess and the spring geometry of the mechanical holding spring are designed to generate sufficient axial and clamping forces in order to hold the tab contacts in a substantially or predominantly stable position, thereby significantly reducing the relative movement between the tab contacts and the flat socket contact arrangement and possibly completely or at least temporarily completely preventing said relative movement.

[0034] The connector according to the application has a connector substrate provided thereon / in and a flat socket contact arrangement, wherein the flat socket contact arrangement is designed according to the application. Such a connector substrate can for example be designed as a (connector) housing, holder, carrier, circuit board, etc.

[0035] The connection according to the application comprises a flat socket contact arrangement according to the application and a vibration-proof electrical high-current tab contact device having a tab contact, wherein the tab contact is designed in such a way that it corresponds to the mechanical holding spring of the flat socket contact arrangement, so that the tab contact can be held in the contact chamber of the flat socket contact arrangement by means of the mechanical holding spring.​​​​

[0036] To this end, the sides of the mechanical retention spring and the tab contact that are associated with each other can at least partially have a complementary design. This can relate to only a single pair of sides associated with each other, or in particular to two pairs of sides associated with each other. More than two pairs of sides associated with each other can be used, for example, in a cage-like mechanical retention spring.

[0037] The tab contact can have at least one partially complementary clamping means in a manner corresponding to the mechanical retention spring. In this case, the clamping means can be configured as a lateral clamping recess in the large-area side and / or the narrow side of the tab contact. The tab contact preferably has exactly one or at least two clamping means, which are preferably arranged at / in the tab contact, on mutually opposite sides.

[0038] In the state in which the tab contact means is inserted into the flat socket contact arrangement, the clamping means of at least one mechanical clamping spring arm of the mechanical retention spring can hold the clamping means of the tab contact. Here, the clamping means of the mechanical clamping spring arm can engage in the clamping means of the tab contact in a holding manner, and vice versa. This preferably relates to exactly two mechanical clamping spring arms; more than two mechanical clamping spring arms can also be used.

[0039] In the state in which the tab contact means is inserted, at least one locking protrusion of the tab contact can further rest on / at the outer edge of the opening of the contact chamber. Preferably, at least two locking protrusions arranged on mutually opposite sides of the tab contact rest on / at the circumferential outer edge of the opening of the contact chamber. Here, in each case at least one, in particular in each case two, such locking protrusion is in particular arranged on the large-area side of the tab contact. The locking protrusion can be arranged, for example, as a corrugation in the tab contact.

[0040] Here, the position of the at least one locking protrusion can be chosen such that it subjects the holding arrangement of the tab contact to a slight mechanical tension by means of the mechanical retention spring in the flat socket contact arrangement, thereby mounting the tab contact in the contact chamber with substantially no play in the plug-in and mating plug-in direction of the tab contact into the flat socket contact arrangement.

[0041] The clamping means of the mechanical clamping spring arm and the corresponding clamping means of the tab contact can be designed with respect to each other such that, when a vibration is applied to the electrical connection, the tab contact has a tendency to move further into the contact chamber. This can be achieved, for example, in the case of an inwardly pointing clamping protrusion of the mechanical clamping spring arm, which is arranged in the tab contact mirror-symmetrically with respect to the transverse direction of the tab contact (i.e., can be mapped onto itself); the front edge of the clamping recess of the tab contact can be configured to be steeper in the tab contact than the rear edge of the clamping recess of the tab contact (see Figure 5 ).

[0042] The tab contact is preferably designed essentially as a solid material layer portion without a channel recess. In this case, the tab contact preferably has a predominantly or essentially approximately uniform thickness over 90%, 95%, 97.5%, 98%, 98.5%, 99%, 99.5% or essentially 100% of its surface area, in addition to the clamping means.

[0043] The entity according to the application comprises an electrical device and a flat socket contact device, a connector and / or a connection, wherein the flat socket contact device, the connector and / or the connection are designed according to the application. - Such an entity can be configured, for example, as an electrical device, an electrical device, an assembled cable, an electrical assembly, an electrical printed circuit board, an electrical component, an electrical module, an electrical appliance, an electrical instrument, an electrical unit, an electrical apparatus, an electrical system, etc.

[0044] A vehicle with a traction electric motor, in particular a motor vehicle (road vehicle), but also including a rail vehicle, a ship and / or an aircraft, is understood to mean a motor vehicle which, in addition to the traction electric motor, can also have other non-electric drives, such as an internal combustion engine. That is to say, a vehicle with a traction electric motor is understood to mean, for example, a hybrid electric vehicle, an electric vehicle (purely electric drive), a fuel cell vehicle, etc.

[0045] The application is explained in more detail below on the basis of exemplary embodiments and with reference to the schematic and not to scale drawings. Parts, elements, components, units, members and / or patterns having the same, single or similar form and / or function are identified by the same reference signs in the description of the drawings (see below), the list of reference signs, the patent claims and the figures of the drawings. Possible alternatives can also be inferred from the list of reference signs and / or the description of the drawings, which are not explained in the summary (see above), are not shown in the drawings and / or are not the final, static and / or kinematic inversion, combination, etc. of the exemplary embodiments with respect to the application, or components, patterns, units, components, elements thereof or parts thereof.

[0046] In the case of the present application, a feature (part, element, component, unit, member, function, variable, etc.) can be positively configured, i.e. present, or negatively configured, i.e. not present. In the present application document (description (summary (see above), description of the drawings (see below)), list of reference signs, patent claims, drawings), if the absence of a negative feature is not important according to the application, the negative feature is not explicitly explained as a feature. That is to say, the actually created invention, not the invention constructed from the prior art, lies in the omission of the said feature.

[0047] The features of the present application document can be used not only in the specified method and / or manner, but also in another method and / or manner (isolated, combined, replaced, added, independent, omitted, etc.). In particular, in the specification, the list of reference signs, the patent claims and / or the drawings, a feature in the patent claims and / or the specification can be replaced, added or omitted on the basis of a reference sign and the feature assigned to it, and vice versa. Moreover, as a result, a feature in the patent claims can be explained and / or specified in more detail.

[0048] The features of the specification can also be interpreted as optional features (in view of the (initially largely unknown) prior art); that is to say, each feature can be considered as an optional, arbitrary or preferred feature, i.e. a non-mandatory feature. It is therefore possible for a feature, including its periphery, to be separated from the exemplary embodiment, it being possible for said feature to then be transferred to the general inventive concept. The absence of a feature (negative feature) in an exemplary embodiment indicates that the feature is optional for the invention. Furthermore, in the case of the use of type terms for features, generic terms for features can also be implicitly understood (optionally further hierarchically classified into subcategories, etc.), so that features can be generalised, for example taking into account equivalent effects and / or equivalences. BRIEF DESCRIPTION OF DRAWINGS

[0049] In the drawings (figures), which are merely exemplary:

[0050] Figures 1 to 4 A perspective exploded view (Figure Figure 1 ), a sectional plan view (Figure Figure 2 ), a front view (Figure Figure 3 ) and a side view (Figure Figure 4 ) of an embodiment of a vibration-proof electrical high-current connection according to the invention comprising a flat socket contact device and a tab contact device are shown, and

[0051] Figure 5 A perspective exploded view of a vibration-proof electrical high-current flat socket contact device according to the invention, a vibration-proof electrical high-current tab contact device according to the invention and a second embodiment of a connection according to the invention are shown. DETAILED DESCRIPTION

[0052] In the following, two embodiments of a vibration-proof electrical high-current connection 0 (hereinafter simply connection 0) for a vehicle, in particular a vehicle having traction electric motors, are described. Figures 1-4 and Figure 5The application is explained in more detail by means of exemplary embodiments of a vibration-proof electrical high-current connection 0 comprising a vibration-proof high-current flat socket contact device 1 (hereinafter referred to as flat socket contact device 1) and a vibration-proof high-current tab contact piece 5 (hereinafter referred to as tab contact piece 5). Two embodiments of the flat socket contact device 1 and the tab contact piece 5 are shown here. Although the application is described and explained in more detail by means of preferred exemplary embodiments, the application is not limited to the disclosed exemplary embodiments, but has a more general nature.

[0053] Further variations can be derived therefrom and / or from the above (description of the application) without departing from the scope of protection of the application. In the case of electrical entities (see above), the application can generally be used in the electrical industry. Ground power engineering forms an exception here. The drawings only show those spatial portions of the subject matter of the application which are necessary for understanding the application. References such as connector and mating connector, terminal (see above) and mating terminal, etc. are to be interpreted synonymously, i.e. can be interchangeable. The explanation of the application below on the basis of the drawings relates to the longitudinal direction Lr (which is chosen as the plugging direction Sr), the transverse direction Qr and the vertical direction Hr of the connection 0 according to the application.

[0054] Figures 1 to 5 Each shows a tab contact piece 5 and a flat socket contact device 1, wherein the free longitudinal end portion of the tab contact piece 5 is inserted (into the connection 0) or can be inserted into the contact chamber 110 of the flat socket contact device 1. In the contact chamber 110, firstly a plurality of electrical contact springs 210 contact and separate from the tab contact piece 5 and secondly at least one mechanical retaining spring 30 retains the tab contact piece 5 in the contact chamber 110. The plurality of electrical contact springs 210 serve for transmitting a large current at high voltage and the at least one mechanical retaining spring 30 firmly retains the tab contact piece 5 in the contact chamber 110 even when vibrations are applied.

[0055] Here, the tab contact piece 5 comprises a mainly or essentially cuboid tab contact 510 and an electrically insulating touch protection device 520 at the front free end. The connection portion (transition portion, further electrical contact, etc.) of the tab contact piece 5 which is located on the other side of the tab contact 510 is no longer shown. The tab contact piece 5 can of course also have a design which differs from the design shown. Here, the tab contact piece 5 can be arranged in an unshown housing of a plug-in tab contact connector (in a suspended, built-in, mounted, etc. manner). The tab contact piece 5 can of course also have a design which differs from the design shown.

[0056] In order to be able to be mechanically held in the contact chamber 110, the tab contact 510 has at least one clamping means, in particular two clamping means, 530, which can interact with the clamping means 330, in particular the two clamping means 330 of the flat socket contact device 1 in the contact chamber 110, so that the tab contact 510 can be held in the contact chamber 110 even under vibrational loads. Here, the respective clamping means 530 is in particular designed as a clamping recess 530, which is arranged in the narrow longitudinal side of the tab contact 510. - As an alternative or in addition to the arrangement of at least one clamping means, it is of course also possible in particular to arrange two clamping means 530 at / in the large-area side of the tab contact 510.

[0057] The tab contact 510 can have at least one locking protrusion 540 on at least one side, in particular the large-area side, which can sit on / at the outer edge of the opening of the contact chamber 110, on the outer side of the flat socket body 10 or of the holding device 220 of the tab contact receptacle 20 (see below) in the connection 0 and in this way stabilize the tab contact 510 on the flat socket body 10 (see Figure 4 ). The tab contact 510 preferably has two such locking protrusions 540 on the respective side, which are arranged next to each other in the transverse direction Qr. In addition, the tab contact 510 has at least one, in particular two, such locking protrusions 540 on each of two mutually opposite sides, in particular on the large-area side thereof. The respective locking protrusion 540 can be designed as a corrugation 540 (see, Figure 1 and Figure 5 ).

[0058] Here, the flat socket contact device 1 comprises the flat socket body 10, the inner tab contact receptacle 20 and the mechanical or mechanical-electrical holding spring 30 (see also above). Further connection parts (transition parts, further electrical contacts, etc.) which are located further on the other side of the socket area of the flat socket contact device 1, in this case the flat socket body 10, are not shown again. Here, the flat socket contact device 1 can be arranged in the not shown housing (in a suspended, mounted, fitted, etc. manner) of a (plug-in) socket connector. The flat socket contact device 1 can of course also have a design which differs from the design shown.

[0059] The flat socket body 10 has a socket portion 11 with a preferably mainly or essentially cuboid contact chamber 110 and a connection portion 12, which preferably adjoins the socket portion 11 integrally in a transverse direction Qr, to further electrically power-electrically contact the flat socket contact device 1. The flat socket body 10 has an essentially P-shaped cross section in its front view, that is to say, the flat socket body 10 is designed as an angled flat socket body 10 (plug-in direction and further contact direction are not collinear). The flat socket body 10 can of course also have a design different from the one shown; for example, the flat socket body 10 can be designed as a 0° flat socket body, a crimpable flat socket body 10, etc.

[0060] The tab contact receptacle 20 is arranged inside the contact chamber 110 of the flat socket body 10 and has a multitude of electrical or electromechanical contact springs 210 for electrically contacting the tab contacts 510, which are preferably designed as, for example, contact protrusions 210, contact spring arms 210 or contact lamellas 210. The contact springs 210 preferably extend in the longitudinal direction Lr. The contact springs 210 can of course also have a design different from the one shown; for example, the contact springs 210 can, for example, not only run in the longitudinal direction Lr, not all have essentially the same design, be designed according to their local current-carrying capacity, etc.

[0061] Figures 1 to 4 The tab contact receptacle 20 is designed as an essentially flat contact spring cage 20, which is open at the front and at the back and comprises the electrical contact springs 210. The contact spring cage 20 comprises a receiving body 200, which has an elongated (flat design of the contact spring cage 20) O-shaped cross section, inside which the tab contacts 510 can be inserted. In particular, the electrical contact springs 210 are provided, designed or arranged at / in a large surface area of the contact spring cage 20 and protrude or extend inwards into the contact spring cage 20 or the contact chamber 110. The tab contact receptacle 20 or the contact spring cage 20 can of course also have a design different from the one described.

[0062] The contact spring cage 20 is mounted inside the contact chamber 110 of the flat socket body 10, for which purpose the contact spring cage 20 has at least one holding device 220, which is in particular designed as a bent holding lug 220. The contact spring cage 20 preferably has at least one such holding device 220 at each of its two end portions in the longitudinal direction Lr. Here, the holding devices 220 can be provided at the narrow and / or long longitudinal end portions of the holding device 200. In the state in which the contact spring cage 20 is mounted in the contact chamber 110, the holding devices 220 rest on / at the outside of the opening of the contact chamber 110 in such a way that the contact spring cage 20 is held in the contact chamber 110 in the longitudinal direction Lr. Figure 1 and Figure 4 ) longitudinal end portions of the holding device 200. In the state in which the contact spring cage 20 is mounted in the contact chamber 110, the holding devices 220 rest on / at the outside of the opening of the contact chamber 110 in such a way that the contact spring cage 20 is held in the contact chamber 110 in the longitudinal direction Lr.

[0063] Figure 5 The tab contact receptacle 20 comprises two contact plates 20 or contact frames 20, wherein the individual contact plate or the individual contact frame has a substantially plate-like or frame-like designed receiving body 201. The respective contact plate or the respective contact frame is arranged on a large-area inner wall of the flat socket body 10 within the contact chamber 110. The electrical contact spring 210 is arranged, designed or disposed at / in the respective contact plate or the respective contact frame and protrudes or extends inwardly into the contact chamber 110. The tab contact receptacle 20 or the contact plate 20 or the contact frame 20 can of course also have a design different from the one shown.

[0064] In the present case, the mechanical or mechanical-electrical holding spring 30 is designed as a U-shaped clamping spring 30, which can be inserted into the contact chamber 110 ( Figures 1 to 5 ) in the longitudinal direction Lr and possibly also into the tab contact receptacle 20 ( Figures 1 to 4 ). The mechanical holding spring 30 can of course have a design different from the one shown; for example, the mechanical holding spring 30 can be in the form of a claw, in the form of a buckle or in the form of a cage; can be designed with only a single mechanical clamping spring arm or with more than two mechanical clamping spring arms 310 (see below), with a locking device different from the mechanical clamping spring arm 310 (see below), with a different holding device 312 (see below) and the like; see above (i.e. the description of the invention).

[0065] The mechanical clamping spring 30 (see, for example Figure 1 and Figure 5 ) has a lug-like base 300 (transverse piece of the U of the holding spring 30) extending in the transverse direction Qr, a mechanical or mechanical-electrical clamping spring arm 310 (limb of the U of the holding spring 30) extending away from each longitudinal end of the base. The base 300 further extends in the vertical direction Hr with at least one, in particular two holding devices 302. Here, the holding devices 302 can be designed as flat extensions of the base 300, which rest on the edge of the opening of the contact chamber 110 on the flat socket body 10 in the flat socket contact device or on the holding device 200 of the tab contact receptacle 20 (see Figure 3 and Figure 4 ).

[0066] In the state in which the mechanical clamping spring 30 is inserted into the contact chamber 110, the mechanical clamping spring arms 310 of the clamping spring extend laterally along the narrow side walls of the contact chamber 110 on the inside. Here, the respective mechanical clamping spring arm 310 is arranged directly adjacent to the inner wall of the contact spring cage 20 ( Figures 1 to 4 ) in the contact chamber 110 or directly adjacent to the narrow inner wall of the flat socket body ( Figure 5 ).

[0067] The mechanical clamping spring arms 310 preferably extend through the contact chamber 110 and fix the mechanical clamping spring 30 on the other side of its base 300 in the contact chamber 110 in the longitudinal direction Lr by means of holding means 312. The holding means 302 of the base 300 and the holding means 312 of the mechanical clamping spring arms 310 preferably fix the mechanical clamping spring 30 in the contact chamber 110 in both longitudinal directions Lr.

[0068] Similar to the corresponding clamping means 530 of the tab contact 510, in particular to the corresponding clamping recess 530, the corresponding mechanical clamping spring arm 310 has clamping means 330, in particular an inwardly pointing clamping protrusion 330. Here, the narrow, lug-like mechanical clamping spring arms 310 are preferably correspondingly curved, i.e. the clamping protrusion 330 is curved into the mechanical clamping spring arm 310.

[0069] When establishing the connection 0 (see Figure 2 ), the clamping protrusions 330 of the mechanical clamping spring arms 310 engage into the corresponding clamping recesses 530 of the tab contacts 510 and fix them firmly in the contact chamber 110, even when vibrations are applied, since the mechanical clamping spring 30 is preferably secured in the contact chamber 110 in all translational and rotational directions. This can of course also be arranged inversely, statically or dynamically. The mechanical clamping spring 30 and / or the one or more mechanical clamping spring arms 310 can of course also have a design different from the one shown.

[0070] The following statements can apply to all embodiments of the present application. According to the present application, the flat socket contact device 1 and the tab contact device 5 or the mechanical clamping spring 30 and the tab contact 510 can be designed for one another such that, when the tab contact device 5 is plugged into the flat socket contact device 1, the two contact parts 30, 510 are moved or pulled together towards one another (the clamping means 530 snap into / slide into the clamping means 330, and vice versa) automatically due to the mechanical holding spring 30 or clamping spring 30, thus partially independently of the flat socket body 10.

[0071] The mechanical holding spring 30 or clamping spring 30 not only mechanically holds the flat socket contact device 1 and the tab contact device 5 together, but also pulls the tab contact 510 into the contact chamber 110 in the process in specific regions. Depending on the design, the mechanical holding spring 30 or clamping spring 30 can pull the tab contact 510 into the contact chamber 110, wherein there is a fixed contact point on the tab contact 510. Thus, the flat socket contact device 1 and the tab contact device 5 at least at this point sit against one another fixedly.

[0072] Preferably, the free end of the tab contact device 5, i.e., the tab contact 510 or the contact protection device 520, sits on the base 300 in a region or exactly one region of the contact chamber 110. Here, the base 300, which is the elastic base 300, is preferably designed in a curved manner (see reference). Figure 5 With the vertical direction Hr as the bending axis, the central region of the base 300 can be supported on the edge of the opening of the contact chamber 110, so that at least one mechanical clamping spring arm 310 with the retaining device 312 is pulled against the edge of the opening of the contact chamber 110. As a result, the mechanical retaining spring 30 or clamping spring 30 can be accommodated in the contact chamber 110 in the longitudinal direction Lr by mechanical preload.

[0073] Due to the elastic base 300, the tab contact 510 can also be similarly accommodated in the contact chamber 110 in the longitudinal direction Lr by mechanical preload. For this purpose, a first distance between the free longitudinal end of one side of the tab contact device 5 (tab contact 510, touch protection device 520) and at least one clamping device 530 of the tab contact 510, and a second distance between the central region of the base 300 and at least one clamping device 330 of the mechanical holding spring 30 or clamping spring 30, must be matched accordingly. If these two distances are approximately equal, for example, or if the first distance is slightly greater than the second distance, the tab contact 510 can be automatically held or clamped in the mechanical holding spring 30 or clamping spring 30.

[0074] In this configuration, the mechanical retaining spring 30 or clamping spring 30 applies a mechanical (compressive) preload to the tab contact device 5, between its free end and at least one clamping device 530, by means of its bent and elastic base 300 and at least one clamping device 330. Simultaneously, by means of its bent and elastic base 300 and the retaining device 312 of its at least one clamping spring arm 310, the mechanical retaining spring 30 or clamping spring 30 can apply a (compressive) preload to the edges of the two openings of the contact chamber 110.

[0075] List of reference numerals

[0076] 0 (Vibration-resistant, Electrical) (High Current) Connectors, including tab contact devices 5 or electrical connectors to tab contact devices 5, and flat socket contact devices 1 or electrical connectors to flat socket contact devices 1.

[0077] 1 (Vibration-resistant, Electrical) (High Current) Flat Socket Contact Device

[0078] 5 (Vibration-resistant, Electrical) (High Current) Lug Contact Device

[0079] 10 flat socket body

[0080] 11 socket portion

[0081] 12 connecting portion

[0082] 110 mainly or essentially cuboid contact chamber

[0083] 20 (internal) tab contact receptacle; contact spring cage, contact plate, contact frame

[0084] 200 receiving body with essentially flat O-shaped cross-section

[0085] 201 receiving body of essentially plate-like or frame-like design

[0086] 210 electrical or electromechanical contact spring

[0087] 220 holding means, in particular (bent) holding lugs

[0088] 30 mechanical or mechanical-electrical holding spring, clamping spring

[0089] 300 (elastic) base

[0090] 302 holding means, in particular extension of the base 300

[0091] 310 mechanical or mechanical-electrical clamping spring arm

[0092] 312 holding means, in particular (bent) holding lugs

[0093] 330 clamping means, in particular inwardly pointing clamping protrusion

[0094] 510 mainly or essentially cuboid tab contact

[0095] 520 touch protection means

[0096] 530 clamping means, in particular clamping recess

[0097] 540 locking protrusion, in particular corrugation

[0098] Lr longitudinal direction (unoriented), longitudinal axis of the connection piece 0

[0099] Sr plug-in direction (oriented), parallel to the longitudinal axis

[0100] Hr vertical direction (unoriented), vertical axis of the connection piece 0

[0101] Qr transverse direction (unoriented), transverse axis of the connection piece 0

Claims

1. A vibration-damping, high-current flat socket contact device (1) for use in a vehicle's high-current electrical connector (0), the vibration-damping, high-current flat socket contact device comprising: A cuboid contact chamber (110), into which a cuboid protruding contact (510) can be inserted to electrically contact the vibration-damping high-current flat socket contact device (1), characterized in that... Multiple electrical contact springs (210) are arranged in the contact chamber (110) for electrically contacting the mechanical retaining spring (30) and separate from the mechanical retaining spring for mechanically retaining the tab contact (510). The mechanical retaining spring (30) is designed as a U-shaped clamping spring (30).

2. The anti-vibration electrical high-current flat socket contact device (1) according to claim 1, characterized in that, The vibration-damping electrical high-current flat socket contact device (1): According to LV 214, it meets the vibration requirements of level 2, 3 and / or 4 according to the severity level. Designed for use with voltages of at least: 200 V, 300 V, 400 V, 500 V, 600 V, 750 V, 1 kV, 1.25 kV or 1.5 kV, and / or Designed for currents of at least: 200 A, 300 A, 400 A, 500 A, 600 A, 800 A, 1 kA or 1.25 kA.

3. The anti-vibration electrical high-current flat socket contact device (1) according to claim 1 or 2, characterized in that, The vibration-damping high-current flat socket contact device (1) has a flat socket body (10), wherein: The flat socket body (10) includes a socket portion (11) and a connecting portion (12) located at the socket portion (11). The socket portion (11) and / or the connection portion (12) are designed as solid material layers without any substantial channel recesses. The front side of the flat socket body (10) has a P-shaped cross-section, and / or The flat socket body (10) is formed by bending a planar, solid layer of material.

4. The anti-vibration electrical high-current flat socket contact device (1) according to claim 3, characterized in that: The electrical contact spring (210) is designed as the inner boundary of the contact chamber (110) of the flat socket body (10) of the anti-vibration electrical high current flat socket contact device (1). The electrical contact spring (210) is arranged at / in the tab contact housing (20), which is arranged in the contact chamber (110) as a separate part of the anti-vibration electrical high current flat socket contact device (1). The tab contact housing (20) is designed as at least one contact plate or at least one contact frame with an electrical contact spring (210), and / or The tab contact housing (20) is designed as a contact spring cage including the electrical contact spring (210), which is open at the front or at both the front and rear in the insertion direction (Sr).

5. The anti-vibration electrical high-current flat socket contact device (1) according to claim 1 or 2, characterized in that: The tab contact (510) can be held in the contact chamber (110) by means of the mechanical retaining spring (30) through at least one of the two large surface area sides and / or narrow sides of the tab contact. The tab contact (510) can be clamped, locked, and / or supported in the contact chamber (110) by means of the mechanical retaining spring (30), and / or The mechanical retaining spring (30) is designed as a clamping spring (30).

6. The anti-vibration electrical high-current flat socket contact device (1) according to claim 1 or 2, characterized in that: The mechanical retaining spring (30) has at least one mechanical clamping spring arm (310) arranged in the contact chamber (110) to retain the tab contact (510). The narrow side or the large surface area side of the tab contact (510) can be held in the contact chamber (110) by means of the mechanical clamping spring arm (310), and / or The mechanical clamping spring arm (310) for holding the tab contact (510) has a clamping device (330).

7. The anti-vibration electrical high-current flat socket contact device (1) according to claim 6, characterized in that, The at least one mechanical clamping spring arm (310) together with the tab contact receiver (20) forms an insertion space for the tab contact (510), or The at least one mechanical clamping spring arm (310) is arranged in the tab contact housing (20) and together with the tab contact housing (20) forms an insertion space for the tab contact (510).

8. The anti-vibration electrical high-current flat socket contact device (1) according to claim 1 or 2, characterized in that: The mechanical retaining spring (30) has a base (300) and two mechanical clamping spring arms (310) that project laterally from the base, and the tab contact (510) can be clamped between the two mechanical clamping spring arms. The base (300) is designed as a resilient base (300), the resilient base having a tendency to pull the mechanical clamping spring arm (310) out of the contact chamber (110), and / or The mechanical retaining spring (30) is inserted into the contact chamber (100), the clamping spring arm (310) of the mechanical retaining spring is located at the front of the mechanical retaining spring, and the clamping spring arm (310) extends along the narrow inner side of the contact chamber (100) or the narrow inner side of the contact spring cage (20).

9. The anti-vibration electrical high-current flat socket contact device (1) according to claim 8, characterized in that, The mechanical retaining spring (30) is fixed in the contact chamber (100) in two longitudinal directions (Lr), for this purpose, The base (300) has a retaining device (302) that protrudes from the base and sits on / at the edge of the first opening of the contact chamber (100), and / or At least one clamping spring arm (310) is designed as a retaining device (312) at the free longitudinal end portion of the at least one clamping spring arm, the retaining device being seated on / at the edge of the second opening of the contact chamber (100).

10. A vibration-damping high-current electrical connector for vehicles, wherein... The connector includes a connector substrate and a vibration-resistant, high-current flat socket contact device (1) disposed on / in the substrate, characterized in that... The vibration-damping electrical high-current flat socket contact device (1) is designed according to any one of the preceding claims.

11. A vibration-damping high-current electrical connector (0) for a vehicle, comprising: The vibration-damping high-current flat socket contact device (1) and the vibration-damping high-current convex contact device (5) with convex contacts (510) according to any one of claims 1-9 are characterized in that... The tab contact (510) is designed in the form of a mechanical retaining spring (30) corresponding to the anti-vibration electrical high current flat socket contact device (1), so that the tab contact (510) can be held in the contact chamber (110) of the anti-vibration electrical high current flat socket contact device (1) by means of the mechanical retaining spring (30). The mechanical retaining spring (30) is designed as a U-shaped clamping spring (30).

12. The vibration-damping high-current electrical connector (0) according to claim 11, characterized in that: The mechanical retaining spring (30) and the tab contact (510) have at least partially complementary designs on their respective sides. The tab contact (510) has at least one partially complementary clamping device (530) in a manner corresponding to the mechanical retaining spring (30), and / or The clamping device (530) is configured as a lateral clamping recess on the large surface area side and / or narrow side of the tab contact (510).

13. The anti-vibration electrical high-current connector (0) according to any one of claims 11 to 12, characterized in that, With the convex contact device (5) inserted into the anti-vibration electrical high-current flat socket contact device (1): The clamping device (330) of at least one mechanically clamping spring arm (310) of the mechanically retaining spring (30) holds the clamping device (530) of the tab contact (510). At least one locking protrusion (540) of the tab contact (510) is located at / on the outer edge of the opening of the contact chamber (110), and / or The at least one locking protrusion (540) is configured as a corrugated portion in the tab contact (510).

14. The anti-vibration electrical high-current connector (0) according to any one of claims 11 to 12, characterized in that, The clamping device (330) of the mechanical clamping spring arm (310) and the corresponding clamping device (330) of the tab contact (510) are designed to each other such that when vibration is applied to the anti-vibration electrical high current connector (0), the tab contact (510) tends to move further into the contact chamber (100).

15. An electrical entity for a vehicle, wherein The entity includes an electrical device and a vibration-damping high-current flat socket contact device (1), a vibration-damping high-current connector and / or a vibration-damping high-current connector (0), characterized in that... The vibration-damping high-current flat socket contact device (1) is the vibration-damping high-current flat socket contact device (1) according to any one of claims 1-9, the vibration-damping high-current connector is the vibration-damping high-current connector according to claim 10, and / or the vibration-damping high-current connector (0) is the vibration-damping high-current connector (0) according to any one of claims 11-14.

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