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
  • 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
  • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
  • H01R24/42—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency comprising impedance matching means or electrical components, e.g. filters or switches
  • H01R24/46—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency comprising impedance matching means or electrical components, e.g. filters or switches comprising switches
• • 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
  • H01R13/66—Structural association with built-in electrical component
  • H01R13/70—Structural association with built-in electrical component with built-in switch
  • H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
• • 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
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R2201/00—Connectors or connections adapted for particular applications
  • H01R2201/16—Connectors or connections adapted for particular applications for telephony
• • 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
  • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
  • H01R24/52—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency mounted in or to a panel or structure
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10S439/00—Electrical connectors
  • Y10S439/944—Coaxial connector having circuit-interrupting provision effected by mating or having "dead" contact activated after mating

Definitions

• the invention relates to the field of coaxial type components used for high frequencies. More specifically, it relates to a miniature component forming both a connector and a switch.
• the device comprises on the one hand a connector allowing connection to the external car antenna, and that on the other hand it has a switch ensuring the switching between the two antennas.
• the present invention relates to a connector-switch component intended to automatically allow the above-mentioned switching when the device is connected and disconnected to an external antenna. More specifically, when the device is used as a portable device outside a car, the circuit of the device is connected to the external antenna via an internal contact. When the device is positioned in a car, it is placed on a connector incorporated in the car and connected to an external antenna, and this connector moves a mobile assembly which on the one hand ensures the connection between the external antenna and the internal circuit of the device and secondly the disconnection and grounding of the second contact connected to the internal antenna of the device. This grounding is particularly advantageous at high frequencies (especially beyond 1 GHz) because the disconnected member may otherwise introduce parasites which affect operation.
• the invention relates to a connector-switch component of coaxial type for high frequencies, which comprises a conductive body delimiting an elongated cavity and intended to be grounded, a first contact supported by a first insulating member at a first end of the elongated body cavity so that it is fixed relative to the body, a second contact supported by a second insulating member in a wall of the body so that it is accessible on a side of the elongated cavity and that it is fixed relative to the body, an assembly movable in translation along an axis between a first and a second position and comprising a conductive member cooperating by sliding with the first contact with which it is in permanent contact , and having a movable contact which cooperates with the second contact when the movable assembly is in the first position and which is distant from the second contact when the movable assembly is in its second position, a mass conducting member, electrically connected to the body and arranged around the insulating member of the mobile assembly of which it is integral so that, in the first
• the movable contact is a lateral projection of the conductive member of the movable assembly and the connector-switch component further comprises a translational guidance device intended to prevent rotation of the movable assembly around its axis of movement.
• the guiding device comprises a cylinder sector formed by the third insulating member and a complementary cylinder sector formed by the first insulating member, the two cylinder sectors cooperating by surfaces parallel to the axis of movement.
• the body of the component further comprises an impedance matching cavity formed in the body around the movable contact.
• the mass conducting member is a conductive sleeve having a cylindrical body extended by two diametrically opposite arms, one of the arms being intended to come into cooperation with the second contact and the other of the arms being intended to ensure a guiding the sleeve during movement of the mobile assembly by cooperation with a groove of the first insulating member, so that the mobile assembly cannot rotate around its axis of movement while it is moving in translation.
• the first contact comprises a pin disposed on the axis of displacement in translation of the mobile assembly.
• the return device comprises a helical spring disposed between an internal shoulder of the body and an external shoulder of the mobile assembly.
• the external shoulder of the mobile assembly is a shoulder of the mass conducting member.
• the conductive member of the movable assembly comprises, at the end opposite to that which comprises the movable contact, a fourth contact member forming with the body a connector part intended to cooperate with a complementary part of a external connector.
• FIG. 1 is a longitudinal section of a connector-switch component according to the invention, in a first position in which it allows the operation of the device in which it is incorporated with an internal antenna
• Figure 2 is a section of the connector-switch component according to the invention, in a second position in which it allows the operation of a device with an external antenna
• Figure 3 is an end view of the movable assembly of the component of Figures 1 and 2
• Figure 4 is a section through a sleeve of the component of Figures 1 and 2, at the arms thereof
• the FIG. 5 is a diagrammatic section of two insulating members of the component of FIGS. 1 and 2.
• the connector-switch component shown in FIGS. 1 and 2 comprises a conductive body 10, advantageously formed from a metal. It delimits an internal longitudinal cavity 12 which successively comprises, from the external part shown on the right in FIGS. 1 and 2, a first and a second cylindrical part leading to an enlarged part 32 described below.
• the internal end (on the left in FIGS. 1 and 2) has a cylindrical hole closed by a first insulating member 14 which supports a first fixed contact 16.
• This contact 16 comprises, in its extension, a pin 18 positioned by a flange 20 against the insulator 14.
• the insulator 14 comprises a cylindrical part placed in the cylindrical hole of the end of the body 10 and a part placed inside the cavity of the body 10 and having the shape of a half-cylinder 22 as indicated in Figure 5. This part extends approximately to the end of the spindle 18. It has, on its outer face, a groove 24, used for a purpose described below.
• the body 10 also has a lateral hole in which is housed a second insulator 26 which supports a second fixed contact 28.
• the latter ends in a rounded head 30 projecting slightly inside the body cavity, on the side of that -this. Close to the second contact 28 and more specifically to its head 30 placed inside the body, the latter has an enlarged cavity 32 whose role is described below.
• the elements described so far are fixed relative to each other and are intended to be fixed to the body of an apparatus.
• the component also comprises a mobile assembly 34.
• the movable assembly 34 comprises a conductive member 36 similar to an elongated rod.
• the conductive member 36 On the side facing the first contact 16, the conductive member 36 has a longitudinal hole 38 fitted on the pin 18 of the first contact. There is shown a slot formed in this hole so that the pin 18 is slightly tightened by the conductive member 36 while being able to slide in the hole 38.
• the latter At the end of the conductive member turned towards the pin 18, the latter comprises a tab 40 forming a movable contact.
• this movable contact 40 is placed against the head 30 of the second fixed contact 28.
• this contact 40 is distant from the contact head 30 and is in the middle of the cavity 32 which then fully fulfills its function of impedance matching.
• connection element is formed by a hole 42 similar to the hole 38 and intended to cooperate with a pin.
• this is a simple example, in the form of a female element, but other female or male elements can replace it.
• the connector member 36 of the movable assembly is surrounded by a third insulating member 44.
• This has a cylindrical shape of revolution. However, in its part facing the first fixed contact 16, it is cut and has the shape of a half-cylinder as indicated by the reference 44 in FIGS. 3 and 5.
• the insulating member 44 surrounds the member 36 practically on all its length, except at the level of a cleared part intended to accommodate the semi-cylindrical part 22 of the first insulating member 14.
• the mobile assembly further comprises a mass conducting member represented by a sleeve 48 of cylindrical shape.
• a mass conducting member represented by a sleeve 48 of cylindrical shape.
• the sleeve 48 carries a collar 50 and its cylindrical body is extended, towards the first contact 16, by arms 52, better represented in FIG. 4.
• a spring 54 constitutes a return member intended to push the movable assembly 34 towards the outside of the body 10.
• the spring 54 bears on one side against the flange 50 of the ground conductive sleeve and , on the other side, against a shoulder 56 of the body.
• the radiotelephone When the radiotelephone is not installed inside a car, the component in the position of FIG. 1. More specifically, the spring 54 pushes the sleeve 48 and, consequently, the mobile assembly 34 towards the position of Figure 1 in which the elastic and conductive fingers of the sleeve 52 are spaced from the head 30 of the second fixed contact. By cons, the tab forming the movable contact 40 of the conductive member 36 is placed against the head 30 of the second fixed contact 28. As the conductive member 36 is also permanently connected to the first fixed contact 16 by sliding the hole 38 on pin 18, the two fixed contacts 16 and 28 are connected. Consequently, the internal antenna of the radiotelephone is connected to the electronic circuits of the latter. The radiotelephone can therefore be used as a portable station.
• the radiotelephone When the radiotelephone is to be used inside a car, it is housed in a cavity provided for this purpose.
• the body of the radiotelephone is then guided so that the component of FIG. 1 comes to cooperate with a complementary connector member which, in the case of the particular component represented in FIGS. 1 and 2, comprises a pin surrounded by a ground bowl.
• a complementary connector member which, in the case of the particular component represented in FIGS. 1 and 2, comprises a pin surrounded by a ground bowl.
• this pin penetrates into the hole 42 and then pushes the movable member 34 while the end of the body 10 is housed in the bowl of the complementary connector.
• the movable assembly then moves to the position shown in Figure 2. In this position, the spring 54 has been compressed by moving the flange 50 to the left in the figure 2. Consequently, the movable contact 40 has moved away from the contact head 30.
• the first fixed contact 16 is therefore no longer connected to the second fixed contact 28. On the other hand, it is connected to the pin which has been introduced. in hole 42 and it is therefore connected to an external antenna. Furthermore, the movement of the movable member 34 has caused a conductive finger 52 to pass over the contact head 30, while the other conductive finger 52, by sliding in the groove 24 of the first insulating member 14, ensures the rotational positioning of the sleeve 48. Consequently, the second fixed contact 28 is then in contact with the sleeve 48 which is itself grounded by contact with the body, in particular by means of the spring 54 and the finger elastic guide 52.
• the cavity 32 ensures an impedance matching such that the operation with the external antenna is not disturbed and, simultaneously, the internal antenna is connected to ground and does not disturb the communication.
• the body 10 is formed from a light aluminum-based alloy and the fixed contacts 16 and 28, the conductive member 36 and the sleeve 48 are formed from bronze or beryllium.
• Spring 54 is made of steel.
• the insulators 14, 26 and 44 are advantageously formed of "Nylon".
• the total width of the component in Figures 1 and 2 is 4 mm, its length 11 mm and the stroke of the movable member 34 is 0.9 mm. It is therefore a miniature component which, however, provides sophisticated functions. Indeed, it allows switching between a first position in which the two fixed contacts are connected, and a second position in which a fixed contact is connected to an external contact and the other fixed contact is grounded. It therefore fulfills simultaneously the functions of connector, switch and switch.
• the mobile assembly was guided in translation, so that it cannot rotate, by cooperation of a semi-cylindrical part 22 of the first insulating member 14 and a semi-cylindrical part of the insulator 44 of the mobile assembly 34.
• numerous other guide devices can be used. Indeed, although in this embodiment, the guidance is carried out between the two insulators, it can be carried out between an insulator and the movable conductive member 36 or between the movable conductive member and the first contact.
• the fixed member 16 included a pin cooperating with a female element represented by the hole 38 of the conductive member 36. Any other arrangement can be used, as long as it ensures the conservation of the cooperation of the fixed contact 16 and of the conductive member 36.
• the male-female arrangement can be replaced by a female-male arrangement.
• the return device consists of a helical spring placed between the body and the conductive sleeve 48
• many other return devices can be used, in particular devices which can work not in compression but in compression. traction.
• the connector part formed at the right end (FIGS. 1 and 2) of the component is of the female type, other types of connector element can be used. It suffices that the connector part formed by the component can come to cooperate with a complementary part by displacement in the longitudinal direction of the component, that is to say the direction of displacement of the movable assembly 34.

Landscapes

• Details Of Connecting Devices For Male And Female Coupling (AREA)
• Coupling Device And Connection With Printed Circuit (AREA)

Applications Claiming Priority (3)

Publications (2)

Family

ID=9452603

Family Applications (1)

Country Status (6)

Families Citing this family (18)

Family Cites Families (5)

• 1993
  • 1993-11-08 FR FR9313256A patent/FR2712433B1/fr not_active Expired - Fee Related
• 1994
  • 1994-11-07 DE DE69408119T patent/DE69408119T2/de not_active Expired - Fee Related
  • 1994-11-07 EP EP95900799A patent/EP0678223B1/de not_active Expired - Lifetime
  • 1994-11-07 WO PCT/FR1994/001288 patent/WO1995013637A1/fr active IP Right Grant
  • 1994-11-07 JP JP7513628A patent/JPH08508608A/ja active Pending
  • 1994-11-07 US US08/481,522 patent/US5562464A/en not_active Expired - Fee Related

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events