• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    An electrical connector (1) having a male contact (5) and a female contact (10) movable between a non-inserted position and an inserted position, wherein an electrically conductive insertable portion (12) of the male contact (5) is inserted according to an insertion axis (D) in a housing (14) defined by the female contact, the female contact comprising: - an electrically conductive body (22), - a plurality of lamellae (26) projecting axially from the body and angularly distributed around the insertable portion in the inserted position, the lamellae being electrically conductive and radially flexible, the body and the lamellae defining the housing, and - at least one annular compression member (28) disposed on radially outer faces (30). ) slats and adapted to exert a centripetal radial pressure on the slats in the inserted position, the slats having radially inner faces (42) plated against the insertable part in the inserted position.
    公开号:FR3048136A1
    申请号:FR1651321
    申请日:2016-02-18
    公开日:2017-08-25
    发明作者:Ilie Razvan
    申请人:Ilie Razvan；
    IPC主号:
    专利说明:

    Electrical connector having a plurality of electrically conductive lamellae
    The present invention relates to an electrical connector comprising a movable male contact and a female contact between a non-inserted position, in which the male contact is away from the female contact, and an inserted position, in which an electrically conductive insert part of the contact. male is inserted along an insertion axis in a housing defined by the female contact.
    The electrical connector is for example a power connector, that is to say it is adapted to transmit a power greater than or equal to 10A.
    There are currently two categories of these electrical connectors. A first category includes connectors having an interface to ensure a good contact surface. The interface is usually made using wires or a stamped plate to create the proper shape. This category has the advantage of having low insertion forces and a good resistance to vibrations. However, the number of parts used to make the interface is relatively high, and the space occupied by the interface creates a footprint. In addition, this type of connector is relatively expensive.
    In the second category, the electrical contact is provided by the pressure of the two contacts, which must be high, to compensate for a small contact surface. These connectors have a lower manufacturing cost, but also high insertion forces and less good resistance to vibration and fretting, that is to say the wear of contact which affects the contacting surfaces of the contact male and female contact.
    An object of the invention is therefore to provide an electrical connector having a reasonable insertion force, good vibration resistance and a small footprint compared to its electrical performance, while remaining simple to manufacture and a price competitive. For this purpose, the subject of the invention is an electrical connector comprising a movable male contact and a female contact between a non-inserted position, in which the male contact is away from the female contact, and an inserted position, in which a electrically conductive insert part of the male contact is inserted along an insertion axis in a housing defined by the female contact, the female contact comprising: - an electrically conductive body, - a plurality of lamellae protruding axially from the body and angularly distributed around the insertable portion in the inserted position, the lamellae being electrically conductive and radially flexible, the body and the lamellae defining said housing, and - at least one annular compression member disposed on radially outer faces of the lamellae and adapted to exert an centripetal radial pressure on the lamellae in the inserted position, the s slats having radially inner faces pressed against the insertable portion in the inserted position.
    According to particular embodiments, the electrical connector comprises one or more of the following characteristics, taken individually or in any technically possible combination: the insertable portion comprises at least one contact portion on which the lamellae are plated in the inserted position, the contact portion having a proximal end having a proximal diameter, the sipes defining a distal opening of the housing, the distal opening having a first diameter in the uninserted position, and a second greater diameter in the inserted position the first aperture diameter being strictly less than the proximal diameter, and the second aperture diameter being substantially equal to the proximal diameter; - The contact portion has a distal end having a distal diameter, the lamellae defining a bottom of the housing, the bottom having an opening diameter less than or equal to the distal diameter, preferably less than the distal diameter; the first opening diameter is less than or equal to, preferably less than, the distal diameter, the insertable part further comprising a distal portion radially thinner than the distal diameter to be introduced into the opening of the housing; - The contact portion has a radially outer surface cylindrical or frustoconical; - The restraining member comprises a curved blade shaped "C", the blade preferably passing in circumferential grooves formed by the radially outer faces of the slats; - The connector further comprises a first electrical insulator adapted to be inserted into the housing of the female contact to protect a user of the electrical connector, the first insulator comprising: - a ring adapted to cap distal ends of the slats, and - fasteners extending axially from the ring and adapted to be inserted between the lamellae to fix the first insulator on the female contact; the first insulator further comprises: a base located axially opposite the ring, and a finger extending axially from the base towards the ring, the finger being situated substantially in the center of the housing in order to along the axis of insertion; each fastener forms a bar fixed on the base and oriented substantially axially; and the connector further comprises a second electrical insulator adapted to cover a distal end of the insertable part, the second electrical insulator being adapted to be fixed on this distal end, preferably by insertion of a rod of the second insulator according to insertion axis in the insertable part. The invention will be better understood on reading the description which follows, given solely by way of example and with reference to the appended drawings, in which: FIG. 1 is a perspective view of an electrical connector according to FIG. invention in the non-inserted position, - Figure 2 is a view of the connector shown in Figure 1, exploded along the axis of insertion, - Figure 3 is a view of the electrical connector shown in Figures 1 and 2, in section along a plane passing through the axis of insertion, the electrical connector being in the inserted position, and - Figure 4 is a simplified view of the connector shown in Figures 1 to 3, in section on the same plane, the electrical connector being at the very beginning of an insertion phase.
    With reference to FIGS. 1 to 3, an electrical connector 1 according to the invention is described.
    The electrical connector 1 comprises a male contact 5 and a female contact 10 movable between a non-inserted position (FIG. 1), in which the male contact is away from the female contact, and an inserted position (FIG. 3), in which an electrically conductive insertable portion 12 of the male contact is inserted along an insertion axis D in a housing 14 defined by the female contact.
    The electrical connector 1 advantageously comprises a first electrical insulator 16 adapted to be inserted into the housing 14 to protect a user (not shown) of the electrical connector. Similarly, advantageously, the electrical connector 1 comprises a second electrical insulator 18 adapted to cover a distal end 20 of the insertable portion 12 of the male contact 5.
    By "distal" is meant, for each of the contacts, the side defined by the direction of insertion along the insertion axis D. Correlatively, "proximal" means the opposite side to insertion along the axis. D insertion.
    The electrical connector 1 also advantageously comprises insulating sheaths (not shown) respectively surrounding the male contact 5 and the female contact 10 around the insertion axis D to protect these contacts from any lateral electrical contact, in particular with an operator ( not shown). The insulating sheaths are obviously adapted to not oppose the insertion of the male contact 5 into the female contact 10 and to provide protection in both the uninserted position and the inserted position.
    The male contact 5 and the female contact 10 are intended to be brought into electrical contact with at least two electrical cables (not shown).
    The female contact comprises a body 22 electrically conductive and defining for example a housing 24 (Figure 3) for one of the electric cables.
    For the purposes of this application, the term "conductor" means a material whose electrical resistivity at 300 K is for example less than or equal to 105 Q.m. In contrast, "insulation" means a material whose electrical resistivity at 300 K is for example greater than or equal to 105 Q.m.
    The female contact 10 further comprises a plurality of lamellae 26 protruding axially from the body 22 and angularly distributed around the insertable portion 12 in the inserted position, and an annular restraining member 28 disposed on radially outer faces of the lamellae 26. .
    The body 22 defines a bottom 32 of the housing 14, for example of cylindrical shape and in which the first insulator 16 is inserted.
    The lamellae 26 are at least two in number. In the example shown, the slats 26 are eight in number. The lamellae 26 delimit radially the housing 14.
    The lamellae 26 are advantageously identical to each other and regularly distributed around the insertion axis D. Two lamellae 26 that are angularly consecutive are advantageously separated by a slot 34.
    The lamellae 26 define circumferential grooves 36 aligned with each other and adapted to receive the compression member 28.
    The lamellae 26 are radially flexible, that is to say that their distal ends 38 are likely to approach or move radially away from the insertion axis D.
    The slats 26 define, at the bottom of the housing 14, an opening diameter Ad1.
    In the non-inserted position, the lamellae 26 are, for example, slightly curved toward the insertion axis D as one approaches their distal ends 38.
    According to a particular embodiment, the slats 26 form at their base an angle with the insertion axis D, as shown in Figure 4. The angle is for example between 0 ° and 4 °.
    The lamellae 26 and the retaining member 28 being flexible, the distal ends 38 define a distal opening 40 of the housing 14 having a first diameter Ad2 in the uninserted position, and a second diameter Ad2 'in the inserted position.
    In the non-inserted position, the slots 34 have, for example, a length, along the insertion axis D, of between 5 mm and 80 mm, and a width, in the circumferential direction, of between 0.2 mm and 2 mm. 5 mm.
    In the inserted position, the lamellae 26 have radially inner faces 42 pressed against the insertable part 12.
    The second diameter Ad2 'is greater than the first diameter Ad2.
    The opening diameter Ad1 of the bottom of the housing 14 is advantageously greater than or equal to the first diameter Ad2 of the distal opening 40. The compression member 28 is adapted to exert a centripetal radial pressure on the lamellae 26 in the inserted position. The compression member 28 comprises for example a blade 44 (Figure 2) curved around the insertion axis D and having a shape "C". The compression member 28 advantageously forms a ring having an interruption 46. The interruption 46 measures for example between 0.1 mm and 3 mm in the circumferential direction. The switch 46 is able to give the compression member 28 an elasticity adapted to hold the strips 26 plated on the contact portion 52.
    For example, the slats 26 are aluminum, copper, brass. The compression member 28 is for example steel. The thickness of the blades for example is 2 mm.
    The male contact 5 comprises a body 48 electrically conductive and advantageously defining a housing 50 provided for receiving one of the electric cables.
    The insertable portion 12 protrudes axially from the body 48.
    The insertable portion 12 comprises a contact portion 52 adapted to be in contact with the slats 26 in the inserted position, and a distal portion 54 having the distal end 20 already mentioned above.
    Advantageously, the insertable portion 12 also comprises an axial housing 56 opening on the distal end 20 and adapted to receive the second insulator 18 (Figures 2 and 3).
    The contact portion 52 has a radially outer surface 58 cylindrical.
    Alternatively (not shown), the radially outer surface 58 is frustoconical.
    The contact portion 52 has a proximal end 60 having a proximal diameter Bd1, and a distal end 62 having a distal diameter Bd2. Bd1 and Bd2 are equal in the example shown.
    According to a particular embodiment (FIG. 4), the radially outer surface 58 forms, at its distal end 62, an angle β with the insertion axis D. The angle β is less than or equal to the angle has lamellae 26.
    In the inserted position, the angle α and the angle β are substantially equal.
    The first opening diameter Ad2 is strictly smaller than the proximal diameter
    Bd1.
    The second aperture diameter Ad2 'is substantially equal to the proximal diameter Bd1.
    The opening diameter Ad1 of the bottom of the housing 14 is less than or equal to the distal diameter Bd2, preferably strictly less than 0.01 mm to the distal diameter Bd2.
    Preferably, the first opening diameter Ad2 is less than or equal to, preferably less than, the distal diameter Bd2.
    The distal portion 54 is radially thinner than the distal diameter Bd2, so as to be easily introduced into the distal opening 40 of the housing 14.
    As can be seen in FIG. 2, the first insulator 16 comprises a ring 64 adapted to cap the distal ends 38 of the lamellae 26, and fasteners 66 extending axially from the ring and intended to fit into the slots 34. between the strips 26 to fix the first insulator on the female contact 10. The first insulator 16 further comprises a base 68 located axially opposite the ring 64, and a finger 70 extending axially from the base towards the ring.
    The fasteners 66 advantageously form bars fixed on the base 68 and oriented substantially axially. The first insulator 16 thus has the appearance of a cylindrical cage.
    The finger 70 is located substantially in the center of the housing 14 in view along the insertion axis D when the first insulator 16 is inserted into the housing. The finger 70 has a distal end 72 substantially located in the center of the ring 64. The finger 70 is for example substantially cylindrical.
    The finger 70 and the ring 64 define a radial gap E advantageously less than or equal to 3 mm so as to prevent an operator (not shown) to introduce his finger into the housing 14 between the finger 70 and the strips 26.
    The second insulator 18 (FIGS. 2 and 3) comprises a head 74 and a rod 76 adapted to be inserted into the housing 56 of the male contact 5. The second insulator 18 defines a housing 78 extending axially and opening onto the head 74.
    The housing 78 is adapted to receive the finger 70 of the first insulator 16 in the inserted position of the electrical connector 1.
    The operation of the connector 1 is deduced from its structure and will be described below.
    When the electrical connector 1 is in operation, the electric cables (not shown) previously mentioned are received in the housings 24 and 50.
    The first insulator 16 and the second insulator 18 have previously been inserted respectively into the female contact 10 and the male contact 5 along the insertion axis D.
    To do this, the fasteners 66 are inserted into the slots 34 until the ring 64 masks the distal ends 38 of the lamellae 26. The base 68 is then fixed in the body 22 by wedging, or alternatively by snapping.
    To install the second electrical insulator 18, the rod 76 is inserted into the housing 56 of the insertable portion 12 along the insertion axis D, until the head 74 covers the distal end 20.
    The electrical connector 1 is then ready for use.
    It is recalled that the outer sheaths (not shown) protect the operator against inadvertent contact in the radial direction with the male contact 5 or the female contact 10.
    The first electrical insulator 16 protects the distal ends 38 of the female contact 10. The ring 64 and the finger 70 cooperate to prevent the operator from inserting his finger into the housing 14. However, thanks to its cage-like structure, the first electrical insulator 16 does not prevent electrical contact between the lamellae 26 and the radially outer surface 58 of the contact portion 52 of the insertable portion 12.
    Similarly, the second electrical insulator 18 prevents the operator from touching the distal end 20 of the insertable portion 12.
    The electrical contact 1 is then in the non-inserted position shown in FIG.
    The male contact 5 is then inserted into the housing 14 along the insertion axis D.
    The distal portion 54 of the insertable portion 12 (FIG. 4) passes through the distal opening 40 of the housing 14. The distal ends 38 of the lamellae 26 then come into contact with the distal portion 54, since the first diameter Ad2 is less than or equal to distal diameter Bd2.
    Then, the insertion itself begins. The contact portion 52 penetrates into the housing 14, which causes a radial spacing distal ends 38 of the lamellae 26. This radial spacing is limited by the action of the compression member 28. During the insertion, the organ 28 compresses, while applying a centripetal pressure on the lamellae 26. This pressure contributes to pressing the radially inner faces 42 of the lamellae 26 on the contact portion 52 of the insertable portion 12.
    When the contact portion 52 is fully inserted into the housing 14, the distal opening 40 of the housing is located axially at the proximal end 60 of the contact portion. The distal opening 40 then has an opening having the second diameter Ad2 '(Figure 3). It is understood that the second diameter Ad2 'is substantially equal to the proximal diameter Bd1.
    The electrical contact is also very good on the bottom side of the housing 14, because the opening diameter Ad1 is less than or equal to the distal diameter Bd2.
    In the inserted position shown in FIG. 3, the strips 26 are perfectly plated on the contact portion 52, whose radially outer surface 58 they marry, advantageously from the distal end 62 to the proximal end 60 of the portion of contact. The electrical contact is excellent.
    During insertion, the finger 70 of the first electrical insulator 16 enters the housing 78 of the second electrical insulator 18, so that the electrical insulators 16, 18 do not prevent insertion.
    In the inserted position (FIG. 3), the electrical connector 1 has a high mechanical stability thanks to the structure of the lamellae 26 and to the action of the compression member 28. In addition, the insertion of the male contact 5 into the female contact 10 remains very easy because of the flexibility of the slats 26 and the elasticity of the compression member 28.
    The electrical connector 1 is therefore extremely efficient, both with regard to ease of insertion and mechanical stability both instantaneous and over time.
    Due to its relatively simple structure without interface, the electrical connector 1 has a modest manufacturing cost.
    Finally, thanks to the electrical insulators 16, 18, the operator is protected during the manipulation of the electrical connector 1.
    权利要求:
    Claims (10)
    [1" id="c-fr-0001]
    1. - Electrical connector (1) comprising a male contact (5) and a female contact (10) movable between a non-inserted position, in which the male contact (5) is away from the female contact (10), and an inserted position in which an insertable portion (12) electrically conductive of the male contact (5) is inserted along an insertion axis (D) into a housing (14) defined by the female contact (10), the female contact ( 10) comprising: - a body (22) electrically conductive, - a plurality of lamellae (26) protruding axially from the body (22) and angularly distributed around the insertable portion (12) in the inserted position, the lamellae ( 26) being electrically conductive and radially flexible, the body (22) and the lamellae (26) defining said housing (14), and - at least one annular compression member (28) disposed on radially outer faces (30) of the lamellae (26) and adapted to exert pressure centripetal radial on the lamellae (26) in the inserted position, the lamellae (26) having radially inner faces (42) pressed against the insertable portion (12) in the inserted position.
    [2" id="c-fr-0002]
    2, -éconnecteur électrique (1) according to claim 1, wherein the insertable portion (12) comprises at least one contact portion (52) on which the strips (26) are plated in the inserted position, the contact portion ( 52) having a proximal end (60) having a proximal diameter (Bd1), the sipes (26) defining a distal opening (40) of the housing (14), the distal opening (40) having a first diameter (Ad2) in the uninserted position, and a second diameter (Ad2 ') greater in the inserted position, the first aperture diameter (Ad2) being strictly smaller than the proximal diameter (Bd1), and the second aperture diameter (Ad2') being substantially equal to the proximal diameter (Bd1).
    [3" id="c-fr-0003]
    3. - electrical connector (1) according to claim 2, wherein the contact portion (52) has a distal end (62) having a distal diameter (Bd2), the lamellae (26) defining a bottom (32) of the housing the bottom (32) having an opening diameter (Ad1) less than or equal to the distal diameter (Bd2), preferably less than the distal diameter (Bd2).
    [4" id="c-fr-0004]
    4, - electrical connector (1) according to claim 2 or 3, wherein the first opening diameter (Ad2) is less than or equal to, preferably less than, the distal diameter (Bd2), the insertable portion (12) comprising in in addition to a distal portion (54) radially thinner than the distal diameter (Bd2) to be introduced into the opening of the housing (14).
    [5" id="c-fr-0005]
    5. - electrical connector (1) according to any one of claims 2 to 4, wherein the contact portion (52) has a radially outer surface (58) cylindrical or frustoconical.
    [6" id="c-fr-0006]
    6. - electrical connector (1) according to any one of claims 1 to 5, wherein the compression member (28) comprises a blade (44) bent in the shape of a "C", the blade (44) passing preferably in circumferential grooves (36) formed by the radially outer faces (30) of the lamellae (26).
    [7" id="c-fr-0007]
    7. - electrical connector (1) according to any one of claims 1 to 6, further comprising a first electrical insulator (16) adapted to be inserted into the housing (14) of the female contact (10) to protect a user of electrical connector (1), the first insulator (16) comprising: - a ring (64) adapted to cap distal ends (38) of the lamellae (26), and - fasteners (66) extending axially from the ring (64) and adapted to be inserted between the lamellae (26) to fix the first insulator (16) on the female contact (10).
    [8" id="c-fr-0008]
    8. An electrical connector (1) according to claim 7, wherein the first insulator (16) further comprises: - a base (68) located axially opposite the ring (64), and - a finger ( 70) extending axially from the base (68) to the ring (64), the finger (70) being located substantially in the center of the housing (14) in view along the axis of insertion (D).
    [9" id="c-fr-0009]
    9. - electrical connector (1) according to claim 8, wherein each fastener (66) forms a bar fixed on the base (68) and oriented substantially axially.
    [10" id="c-fr-0010]
    10. - electrical connector (1) according to any one of claims 1 to 9, further comprising a second electrical insulator (18) adapted to cover a distal end (20) of the insertable portion (12), the second electrical insulator (18) being adapted to be fixed on this distal end (20), preferably by insertion of a rod (76) of the second insulator (18) along the axis of insertion (20) into the insertable portion (12) .
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    同族专利:
    公开号 | 公开日
    EP3208892B1|2019-10-23|
    EP3208892A1|2017-08-23|
    FR3048136B1|2021-05-14|
    US20170244196A1|2017-08-24|
    US10348037B2|2019-07-09|
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    法律状态:
    2017-01-20| PLFP| Fee payment|Year of fee payment: 2 |
    2017-08-25| PLSC| Publication of the preliminary search report|Effective date: 20170825 |
    2017-11-30| PLFP| Fee payment|Year of fee payment: 3 |
    2020-01-13| PLFP| Fee payment|Year of fee payment: 5 |
    2021-01-22| PLFP| Fee payment|Year of fee payment: 6 |
    2021-12-28| PLFP| Fee payment|Year of fee payment: 7 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1651321A|FR3048136B1|2016-02-18|2016-02-18|ELECTRICAL CONNECTOR CONTAINING A PLURALITY OF ELECTRICALLY CONDUCTIVE STRIPS|FR1651321A| FR3048136B1|2016-02-18|2016-02-18|ELECTRICAL CONNECTOR CONTAINING A PLURALITY OF ELECTRICALLY CONDUCTIVE STRIPS|
    EP17156072.5A| EP3208892B1|2016-02-18|2017-02-14|Electrical connector comprising a plurality of electrically conductive strips|
    US15/434,940| US10348037B2|2016-02-18|2017-02-16|Electrical connector comprising a plurality of electrically conductive strips|
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