Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
  • H01R13/46—Bases; Cases
  • H01R13/53—Bases or cases for heavy duty; Bases or cases for high voltage with means for preventing corona or arcing
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
  • H01R13/46—Bases; Cases
  • H01R13/502—Bases; Cases composed of different pieces
  • H01R13/5025—Bases; Cases composed of different pieces one or more pieces being of resilient material
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
  • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R2103/00—Two poles

Definitions

• the invention relates to a connector, in particular a high current connector, with an inner conductor contact, an outer conductor part and an insulator part spaced from the outer conductor part holding the inner conductor contact.
• the outer conductor part can be formed and / or grounded in the form of a housing, such as an outer conductor housing, and thus shield the inner conductor.
• a coaxial connector is connectable to a coaxial cable, wherein the outer conductor of the coaxial cable is electrically contacted with the outer conductor portion of the connector, and an inner conductor of the coaxial cable is electrically contacted with the inner conductor contact of the connector.
• Connectors generally serve to releasably connect electrical leads to carry power and / or electrical signals when connected.
• a first connector in the form of a socket part is verkuppelt with a second connector in the form of a plug part for forming a plug connection.
• High-current connectors are used to transmit high electric currents, for example, with a current of more than 50 A or 100 A, and are used, for example, in electric or hybrid electric vehicles.
• the inner conductor contact of the mating connector one or more in the insertion direction S projecting contact pins, which in the insertion direction in a receiving opening of the connector are inserted.
• receiving opening is the réelleleitcard the female part.
• the inner conductor contact is regularly held by an insulator part made of a non-conductive material such as plastic, the insulator part being arranged between the inner conductor contact and the outer conductor part.
• the insulator part is first attached to the inner conductor contact, for example.
• a locking connection or other positive or non-positive connection By means of a locking connection or other positive or non-positive connection, and then the assembly of insulator and inner conductor contact is attached to the outer conductor part, for example.
• a locking connection or a other positive or non-positive connection it has been found that such a constructed connector tends to increase wear when it is exposed to high mechanical loads. For this reason, conventional high-current stretch connectors must be regularly maintained, and components subject to wear, such as inner conductor contacts or insulating parts, must be replaced regularly.
• an elastically compressible damping element is provided such that it is elastically compressed during insertion of a complementary mating connector into the connector in a plug-in direction while a mobility of the insulator part opposite the inner conductor contact and / or compared to the outer conductor part is reduced.
• the damping element for example.
• an elastically compressible soft component provided on the connector so that it is compressed at a pressure acting on the plug-side end of the connector, while the inner conductor contact attenuated against the insulator part and / or the insulator part attenuated against the outer conductor part is pushed.
• the invention is based on the knowledge that with conventional connectors manufacturing reasons regularly a considerable axial clearance between the inner conductor contact and the insulator part or between the insulator part and the outer conductor part is present. This axial play can lead to considerable relative movements of the insulator part with respect to the outer conductor part or with respect to the inner conductor contact under mechanical loads such as vibrations, whereby the above-described increased wear of the connector is caused.
• the insulator part of the connector according to the invention can have a predetermined axial mobility with respect to the outer conductor part and / or with respect to the inner conductor contact, so that a particularly simple and quick installation of the connector is possible.
• the observed wear causing mobility of the insulator part is inventively reduced only by the coupling of the mating connector with the connector and the associated axial pressure on the connector or completely eliminated.
• This is inventively achieved in that an elastic damping element is provided on the connector so that it is compressed during insertion of the mating connector due to the pressure exerted in the insertion direction, and thereby the insulator part, the inner conductor contact and / or the outer conductor part are compressed in the axial direction ,
• the connector according to the invention can therefore be mounted quickly and easily and at the same time ensures a high stability and a good axial fixation of the insulator part between the inner conductor contact and the outer conductor part, so that vibrations originating from the outer conductor part can not lead to relative movements between the individual connector components.
• the damping element exerts direct or indirect pressure in the insertion on the inner conductor contact and / or pressure on the insulator part when inserting the mating connector, so that the inner conductor part in the direction of the insulator part and / or the insulator part in the direction of the External conductor part is urged.
• the connector with the mating connector cooperating positive and / or non-positive connection means such as screws, clamps or the like. on to sufficiently introduce the mating connector when plugging under compression of the damping element to the connector or to push sufficiently far into the connector can.
• a corresponding stop may be provided on the connector.
• the elastic damping element is not applied directly to a current-carrying element such as the inner conductor contact. Rather, the damping element when inserting the mating connector should exert only indirectly pressure in the insertion direction on the inner conductor contact and thereby press axially against the insulator part.
• an axially movable intermediate element made of a rigid material may be provided between the damping element and the inner conductor contact.
• the damping element directly pressure in the direction of insertion on the insulator part exercises.
• pressure is initially exerted indirectly on the inner conductor contact by the compression of the damping element in the plug-in direction, and pressure is additionally exerted indirectly and / or directly on the insulator part once a predetermined compression state of the damping element has been reached.
• an axial material thickness of the damping element is variably arranged, wherein a portion of high material thickness for applying pressure to the inner conductor contact and a portion of low material thickness provided for exerting pressure on the insulator part is.
• pressure is applied to the insulator part during the insertion process only when the damping element is already compressed by the difference between the portion of high material thickness and the portion of low material thickness.
• the mating connector facing the front surface of the damping element has a convex, in particular a rounded contour.
• the connector according to the invention preferably has an axial clearance between the inner conductor contact and the insulator part and / or between the insulator part and the outer conductor part, wherein at least the clearance between the inner conductor contact and the insulator part, and preferably also the clearance between the insulator part and the outer conductor part can be reduced or eliminated by exerting pressure on the damping element in the insertion direction.
• a spielbehrigerer construction of the connector allows for easier and faster installation of the connector.
• the damping element forms a counterpart connector when plugging facing front boundary surface of the connector.
• a counter-pressure surface of the mating connector can exert immediate pressure on the damping element.
• a front mounted on the connector and preferably exposed to the environment damping element can still be attached to the connector after assembly of inner conductor contact and insulator part in the outer conductor housing.
• a subsequent retrofitting of conventional connectors by attaching the damping element is possibly still possible.
• the damping element forms the leading during the insertion process interface of the connector.
• the damping element With regard to a uniform and planar pressure exerted on the inner conductor contact and / or on the insulator part, it has proven to be advantageous for the damping element to rotate around an insertion opening of the connector for inserting a contact element of the mating connector.
• the damping element is an annular soft rubber part or elastomer part.
• the damping element then exerts during insertion of the mating connector indirectly via the sliding element as an intermediate element pressure on the inner conductor contact and urges the inner conductor contact in the direction of a contact surface of the insulator part.
• the sliding element is preferably formed as a rigid, preferably at least partially annular plastic body, on the front end of the damping element is sprayed from an elastomer or rubber material.
• the insulator part has on its front side an at least partially annular guide groove whose groove bottom is formed by the inner conductor contact.
• the guide groove has a substantially axial course, so that the sliding element is axially displaceable therein, wherein it abuts against the inner conductor contact.
• the guide groove may have a holding mechanism so that the sliding member is axially displaceable in the guide groove is held and can not fall out.
• the holding mechanism may be formed in the form of a latching mechanism, wherein the sliding element may have a latching projection and the guide groove may have a latching recess or vice versa.
• the elastically compressible damping element between the insulator part and the outer conductor part is arranged.
• the insulator part When inserting the mating connector, the insulator part is pressed in the direction of the outer conductor part, whereby the damping element is compressed in the insertion direction, and thereby the mobility between the insulator part and the outer conductor part is limited.
• the damping element has a substantially planar shape and is arranged between a substantially planar contact surface of the outer conductor part and a counter-pressure surface of the insulator part.
• a substantially round contour of the damping element has proved to be particularly advantageous.
• a more than one inner conductor contact exhibiting connector may also have more than one damping element.
• Damage to the insulator part due to excessive pressure can be effectively prevented by variably setting the dimension of the damping element in the insertion direction S, wherein a central region of the damping element is thicker than an edge region of the damping element.
• a central region of the damping element is thicker than an edge region of the damping element.
• the connector according to the second embodiment is preferably an angle connector in which a main axis H of the inner conductor contact and / or the insulator part extends transversely, in particular approximately perpendicular to the insertion direction, so that the current-carrying inner conductor can be led away transversely to the insertion direction of the mating connector.
• the inner conductor contact preferably has, on the one hand, a contact element for contacting the mating contact element of the mating connector and, on the other hand, a rod-shaped conductor part extending from the contact element along the main axis H, which can be connected to the inner conductor of a coaxial cable.
• the damping element preferably has such a large dimension in the uncompressed state in the plugging direction that the inner conductor contact and / or the insulator part is deflected at least in sections by the damping element with respect to the main axis. Only by inserting the mating connector of the inner conductor contact and / or the insulator part is fed back under compression of the damping element in an undeflected position in which the mobility of the inner conductor contact and / or the insulator part with respect to. The outer conductor part is limited.
• the invention relates to a connector assembly having a connector according to the invention and a mating connector formed complementary thereto, which is configured such that when inserted into the connector, the damping element of the connector elastically compresses and thereby a mobility of the insulator member relative to the inner conductor contact and / or the outer conductor part is reduced.
• FIG. 1 shows a first embodiment of a connector according to the invention in a longitudinal sectional view
• FIG. 4 shows a modified embodiment of a connector according to the invention in a longitudinal sectional view
• FIG. 5 shows a second embodiment of a connector according to the invention in a sectional view
• FIG. 6a and 6b show an insertion process in which a mating connector is coupled in the insertion direction S with the connector shown in Figure 5
• FIG. 7 is a perspective view of the connector shown in Figure 5 without insulator part and inner conductor contact
• Fig. 8 is an intermediate step in the assembly of the connector shown in Fig. 5.
• a first embodiment of a connector 10 is shown in a longitudinal sectional view.
• the connector 10 consists of an inner conductor contact 20, which is circulated by an insulator part 30 made of a non-conductor such as plastic.
• the insulator part 30 prevents the inner conductor contact 20 from coming into electrical contact with an outer conductor part 40 of the connector 10.
• the connector 10 is connected to a coaxial cable 70, wherein the shield 71 of the coaxial cable 70 is electrically coupled to the outer conductor portion 40 of the connector and the inner conductor 72 of the coaxial cable 70 is electrically coupled to the inner conductor contact 20 of the connector 10, for example by soldering or crimping ,
• the inner conductor contact 20 is plug-shaped as a socket formed with a contact spring into which a contact element 101 of a mating connector 100 in the form of a contact pin for making an electrical contact can be inserted.
• Figures 2a and 2b the entire connector of connector 10 and its associated mating connector 100 is shown.
• the inner conductor contact 20 When assembling the connector 10, the inner conductor contact 20 is first connected to the inner conductor 72 of the coaxial cable 70, for example by soldering. Subsequently, the inner conductor contact 20 is inserted into the insulator part 30 until a projection of the insulator part 30 engages in a recess 25 of the inner conductor contact 20.
• the axial dimension of the recess 25 is set up such that a relative movement between insulator part 30 and inner conductor contact 20 in the context of a predetermined axial play 21 is possible. This facilitates the attachment of the insulator part 30 to the inner conductor contact 20.
• the outer conductor part 40 of the connector for example, by pressing or crimping attached to this cable assembly, so that the outer conductor part 40 electrically contacts the outer conductor 71 of the cable 70.
• the outer conductor part 40 is movable relative to the insulator part 30.
• the axial games 21, 22 allow for conventional connectors even after pairing with the complementary mating connector still relative movements between the inner conductor contact 20, the insulator part 30 and the outer conductor part 40, which has an increased material wear result, especially if the connector high mechanical loads such is exposed to vibrations.
• an elastically compressible damping element 50 is provided on the connector 10 according to the invention.
• This is compressed, whereby the mobility of the inner conductor contact 20 with respect to.
• the insulator portion 30 and / or the mobility of the insulator part with respect to the outer conductor part 40 is reduced or eliminated altogether.
• the finished plug state with completely eliminated axial clearance 21, 22 is shown in Fig. 2b, while in Fig. 2a, a position in the course of insertion of the mating connector 100 is shown, in which the counter-pressure surface 105 of Although mating connector 100 is already applied to the damping element 50, but this is not fully compressed.
• the damping element 50 is provided on the connector 10 in such a way that it indirectly transmits the pressure emitted by the mating connector 100 during insertion to the inner conductor contact 20 and directly to the insulator part 30.
• the inner conductor contact 20, the insulator part 30 and the outer conductor part 40 are pushed together in the course of the insertion process, so that the axial Games 21 and 22 are eliminated and a rigid and immovable connection between the inner conductor contact 20, the insulator part 30 and the outer conductor contact is made.
• the damping element 50 is sprayed on substantially annularly onto the front end of a rigid plastic body which forms a sliding element 60 which can be displaceably received in a guide 32 of the insulator part 30.
• a sliding element 60 which can be displaceably received in a guide 32 of the insulator part 30.
• the damping element 50 forms the leading during insertion of the mating connector front surface of the connector to which pressure can be exerted by the counter-pressure surface 105 of the mating connector 100 shown in Figures 2a and 2b.
• the front surface of the damping element 50 is not flat, but arranged convexly curved, so that in the course of the insertion process first a portion 55 of high material density comes into contact with the counter-pressure surface 105 and the sliding member 50 urges in the direction of the inner conductor contact 20. Subsequently, a portion 56 of low material density which bears directly against the insulator part 30 comes into contact with the counter-pressure surface 105 and presses the insulator part in the direction of the outer conductor part 40.
• the insulator part 30 becomes indirectly via the inner conductor part 20 in the direction of a contact surface of the outer conductor part 40 pressed. While at the beginning of Einsteckvorgangs still axial play 21 and 22 between the inner conductor contact 20, the insulator part 30 and the outer conductor part 40 are present (see Fig. 2a), are radially extending contact surfaces of inner conductor contact 20, insulator part 30 and outer conductor part 40 after completion of the insertion closely and free of play to each other (see Fig. 2b).
• the connector 10 and the Gegenteckverbinder 100 may have positive or non-positively acting connection means such as screws, brackets or clamps, by means of which the mating connector starting from the position shown in FIG the position shown in FIG. 2b can be pulled.
• the connecting means also prevent accidental release of the connector.
• FIG. 4 shows a slightly modified embodiment of a connector 10 'according to the invention, in which the sliding element 60', on the front end of which the damping element 50 is sprayed, is not held axially displaceably in a guide groove of the isolator part 30, but in a radial guide 32 ', which rests radially on the outside of the sliding element 60 '.
• the rear end 61 of the sliding member 60 ' abuts the inner conductor contact 20, while the damping element 50 formed as a soft component can not come into direct electrical contact with a current-carrying part.
• the inner conductor contact 120 of the second embodiment has a contact element 122 with contact spring for contacting one or more contact pins 101 'of the mating connector 100' and along the main axis H starting from the contact element 122 Kirckendes rod-shaped conductor part 121 which is connectable to the inner conductor 72 of the coaxial cable 70.
• the contact element 122 of the inner conductor contact 120 is held by an insulator part 130 made of a non-conductive material.
• the arrangement of inner conductor contact 120 and insulator part 130 is accommodated in an outer conductor housing 140, which forms a shield.
• the inner conductor contact 120 is first connected to the inner conductor 72 of the coaxial cable, then the insulator portion 130 is attached to the inner conductor contact 120.
• the arrangement of insulator portion 130 and inner conductor contact 120 becomes along the major axis H, which is perpendicular to the insertion direction S, is inserted into a tube section 141 of the outer conductor part 140 (see Fig. 8) .
• a damping element 51 in the form of an elastically compressible soft component is arranged on a substantially flat rear wall of the outer conductor part 140.
• the connector can also have more than one, eg, two or three damping elements 51.
• the damping element 51 is essentially disc-shaped and has a central section with a larger dimension in the insertion direction S than the edge sections of the damping element 51 Words is a vault of the damping element 51 in a mounting space of the outer conductor part 140 for receiving the insulator part 130 before.
• the insulator part 130 is arranged substantially immovably with respect to the outer conductor part 140. Strong vibrations are damped in this connection position by the damping element 51, whereby wear of insulator part 130 and outer conductor part 140 is reliably minimized.
• the damping element 50, 51 is not necessarily annular or disc-shaped.
• a connector depending on the size and number of inner conductor contacts, have more than one damping element. According to the invention it is important that the damping element is provided on the connector so that it is compressed elastically only when mating with the mating connector, and a wear-promoting mobility between the insulator part, the inner conductor contact and the outer conductor part is thus eliminated only during manufacture of the finished connector.

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• Connector Housings Or Holding Contact Members (AREA)
• Coupling Device And Connection With Printed Circuit (AREA)
• Details Of Connecting Devices For Male And Female Coupling (AREA)

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Applications Claiming Priority (2)

Publications (1)

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Family Applications (1)

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Cited By (1)

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Citations (6)

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• 2015
  • 2015-02-19 DE DE202015001331.7U patent/DE202015001331U1/de not_active Expired - Lifetime
• 2016
  • 2016-02-04 WO PCT/EP2016/000184 patent/WO2016131526A1/de not_active Ceased
  • 2016-02-04 CN CN201680004390.7A patent/CN107112681B/zh active Active
  • 2016-02-04 CA CA2968296A patent/CA2968296A1/en not_active Abandoned
  • 2016-02-04 KR KR1020177015532A patent/KR20170117018A/ko not_active Withdrawn
  • 2016-02-04 EP EP16703064.2A patent/EP3259810B1/de active Active
  • 2016-02-04 US US15/545,897 patent/US10305219B2/en active Active
  • 2016-02-04 JP JP2017543745A patent/JP6571787B2/ja active Active

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