WO2022004398A1 - Premier connecteur, second connecteur et ensemble de connecteurs - Google Patents

Premier connecteur, second connecteur et ensemble de connecteurs Download PDF

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Publication number
WO2022004398A1
WO2022004398A1 PCT/JP2021/022966 JP2021022966W WO2022004398A1 WO 2022004398 A1 WO2022004398 A1 WO 2022004398A1 JP 2021022966 W JP2021022966 W JP 2021022966W WO 2022004398 A1 WO2022004398 A1 WO 2022004398A1
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WO
WIPO (PCT)
Prior art keywords
connector
ground terminal
case
holder
signal
Prior art date
Application number
PCT/JP2021/022966
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English (en)
Japanese (ja)
Inventor
葵 田中
Original Assignee
株式会社村田製作所
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社村田製作所 filed Critical 株式会社村田製作所
Priority to CN202180042070.1A priority Critical patent/CN115917888A/zh
Priority to JP2022533842A priority patent/JP7468657B2/ja
Publication of WO2022004398A1 publication Critical patent/WO2022004398A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
    • 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
    • H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6461—Means for preventing cross-talk
    • H01R13/6471—Means for preventing cross-talk by special arrangement of ground and signal conductors, e.g. GSGS [Ground-Signal-Ground-Signal]
    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/6582—Shield structure with resilient means for engaging mating connector

Definitions

  • the present invention relates to a first connector, a second connector, and a connector set including a first connector and a second connector.
  • Patent Document 1 discloses a first connector to which two coaxial cables are connected.
  • the first connector includes two signal terminals and a ground terminal arranged in parallel with the signal terminals between the signal terminals.
  • the signal terminal and the ground terminal are held in the case together with the holder.
  • the case is ground (GND).
  • each signal terminal is connected to the center conductor of the corresponding coaxial cable.
  • the other end of each signal terminal has a concavely curved signal terminal female connection.
  • the outer conductor of each coaxial cable is connected to the case, and one end of the ground terminal is connected to the case.
  • the other end of the ground terminal has a concavely curved ground terminal female connection.
  • the first connector is combined with the second connector.
  • the second connector like the first connector, includes two signal terminals and a ground terminal.
  • one end of each signal terminal has a convexly curved signal terminal male connector.
  • Each signal terminal male connection is fitted with a corresponding signal terminal female connection of the first connector.
  • one end of the ground terminal has a convexly curved ground terminal male connector.
  • the ground terminal male connection portion is fitted with the ground terminal female connection portion of the first connector.
  • the second connector is mounted on a circuit board (eg, flexible circuit board).
  • a circuit board eg, flexible circuit board.
  • the other end of each signal terminal is connected to the corresponding signal line on the circuit board.
  • the other end of the ground terminal is connected to the ground (GND) of the circuit board.
  • the ground terminal is connected to the case at only one end portion away from the ground terminal female connection portion.
  • the ground terminal is connected to the circuit board at only one end away from the ground terminal male connection.
  • the distance between the grounds (hereinafter, also referred to as “GND distance”) is the second ground terminal of the first connector from the end connected to the case. It is the distance to the end of the ground terminal of the connector that is connected to the circuit board.
  • the GND distance is relatively long. Therefore, the noise of the signal terminal may leak in the first connector. In particular, when a high-frequency signal is conducted, noise leakage from the signal terminals tends to be noticeable. The same can be said for the second connector.
  • the first connector according to the embodiment of the present invention includes a case, a holder, two signal terminals, and a ground terminal.
  • the case is conductive and contains openings on the surface.
  • the holder is insulating and is held inside the case.
  • the two signal terminals are formed of a conductive member, are arranged in parallel with each other, and are held by a holder.
  • Each of the signal terminals includes a signal terminal base, a signal terminal female connection, and a signal terminal intermediate.
  • the signal terminal base is sandwiched between the bottom of the case and the holder in an insulated state from the case.
  • the female connection of the signal terminal is concavely curved and exposed in the opening of the case.
  • the signal terminal intermediate portion connects the signal terminal base portion and the signal terminal female connection portion.
  • the ground terminal is formed of a conductive member.
  • the ground terminal is arranged in parallel with the signal terminal between the signal terminals and held in the holder.
  • the ground terminal includes a ground terminal base, a ground terminal female connection portion, and a ground terminal intermediate portion.
  • the ground terminal base is sandwiched between the bottom of the case and the holder and electrically connected to the bottom of the case.
  • the female connection of the ground terminal is concavely curved and exposed in the opening of the case.
  • the female ground terminal connection is in contact with the bottom of the case.
  • the ground terminal middle portion connects the ground terminal base and the ground terminal female connection portion.
  • the second connector includes a frame, a holder, two signal terminals, and a ground terminal.
  • the frame is conductive and contains openings on the surface.
  • the holder is insulating and is held within the frame.
  • the two signal terminals are formed of a conductive member, are arranged in parallel with each other, and are held by a holder.
  • Each of the signal terminals includes a signal terminal base, a signal terminal male connection portion, and a signal terminal intermediate portion.
  • the signal terminal base is fixed to the holder, and the back surface is exposed to the outside.
  • the male signal terminal connection is fixed to the holder, curved convexly and exposed in the opening of the frame.
  • the intermediate part of the signal terminal is fixed to the holder and connects the signal terminal base and the signal terminal male connection part.
  • the ground terminal is formed of a conductive member.
  • the ground terminal is arranged in parallel with the signal terminal between the signal terminals and held in the holder.
  • the ground terminal includes a ground terminal base, a ground terminal male connection portion, and a ground terminal intermediate portion.
  • the ground terminal base is fixed to the holder, and the back surface is exposed to the outside.
  • the ground terminal male connection is fixed to the holder and is curved convexly to be exposed in the opening of the frame. In the ground terminal male connection portion, the back surface of at least one end of both ends is exposed to the outside.
  • the middle part of the ground terminal is fixed to the holder and connects the ground terminal base and the ground terminal male connection part.
  • the connector set includes a first connector and a second connector.
  • the first connector includes a case, a holder, two signal terminals, and a ground terminal.
  • the case is conductive and contains openings on the surface.
  • the holder is insulating and is held inside the case.
  • the two signal terminals are formed of a conductive member, are arranged in parallel with each other, and are held by a holder.
  • Each of the signal terminals includes a signal terminal base, a signal terminal female connection, and a signal terminal intermediate.
  • the signal terminal base is sandwiched between the bottom of the case and the holder in an insulated state from the case.
  • the female connection of the signal terminal is concavely curved and exposed in the opening of the case.
  • the signal terminal intermediate portion connects the signal terminal base portion and the signal terminal female connection portion.
  • the ground terminal is formed of a conductive member.
  • the ground terminal is arranged in parallel with the signal terminal between the signal terminals and held in the holder.
  • the ground terminal includes a ground terminal base, a ground terminal female connection portion, and a ground terminal intermediate portion.
  • the ground terminal base is sandwiched between the bottom of the case and the holder and electrically connected to the bottom of the case.
  • the female connection of the ground terminal is concavely curved and exposed in the opening of the case.
  • the ground terminal middle portion connects the ground terminal base and the ground terminal female connection portion.
  • the middle portion of the ground terminal has a convex portion exposed in the opening of the case.
  • the second connector includes a frame, a holder, two signal terminals, and a ground terminal.
  • the frame is conductive and contains openings on the surface.
  • the holder is insulating and is held within the frame.
  • the two signal terminals are formed of a conductive member, are arranged in parallel with each other, and are held by a holder.
  • Each of the signal terminals includes a signal terminal base, a signal terminal male connection portion, and a signal terminal intermediate portion.
  • the signal terminal base is fixed to the holder, and the back surface is exposed to the outside.
  • the male signal terminal connection is fixed to the holder, curved convexly and exposed in the opening of the frame.
  • the intermediate part of the signal terminal is fixed to the holder and connects the signal terminal base and the signal terminal male connection part.
  • the ground terminal is formed of a conductive member.
  • the ground terminal is arranged in parallel with the signal terminal between the signal terminals and held in the holder.
  • the ground terminal includes a ground terminal base, a ground terminal male connection portion, and a ground terminal intermediate portion.
  • the ground terminal base is fixed to the holder, and the back surface is exposed to the outside.
  • the ground terminal male connection is fixed to the holder and is curved convexly to be exposed in the opening of the frame.
  • the middle part of the ground terminal is fixed to the holder and connects the ground terminal base and the ground terminal male connection part.
  • the female signal terminal connection part fits with the male signal terminal connection part. Further, the female ground terminal connection portion is fitted with the male ground terminal connection portion. Further, the convex portion of the intermediate portion of the ground terminal of the first connector comes into contact with the frame of the second connector.
  • the first connector according to the embodiment of the present invention can suppress noise leakage from the signal terminal. Further, the second connector and the connector set according to the embodiment of the present invention can suppress noise leakage of signal terminals.
  • FIG. 1 is a perspective view of a connector set including the first connector of the first embodiment.
  • FIG. 2 is a perspective view of the first connector in a state where the coaxial cable is attached in the first embodiment.
  • FIG. 3 is a perspective view of the first connector in a state before the coaxial cable is attached in the first embodiment.
  • FIG. 4 is a perspective view showing each element of the first connector in an exploded manner in the first embodiment.
  • FIG. 5 is a perspective view showing each element shown in FIG. 4 from a viewpoint different from that in FIG. 4 in the first embodiment.
  • FIG. 6 is a vertical sectional view of a signal terminal in the first connector of the first embodiment.
  • FIG. 7 is a vertical cross-sectional view of the ground terminal in the first connector of the first embodiment.
  • FIG. 8 is a perspective view of a second connector to which the first connector of the first embodiment is combined.
  • FIG. 9 is a plan view of the second connector when viewed from the front surface side in the first embodiment.
  • FIG. 10 is a plan view of the second connector when viewed from the back surface side in the first embodiment.
  • FIG. 11 is a vertical sectional view of a signal terminal in the second connector of the first embodiment.
  • FIG. 12 is a vertical cross-sectional view of the ground terminal in the second connector of the first embodiment.
  • FIG. 13 is a vertical sectional view of a signal terminal in a connector set in which the first connector of the first embodiment is combined with the second connector.
  • FIG. 14 is a vertical sectional view of a ground terminal in a connector set in which the first connector of the first embodiment is combined with the second connector.
  • FIG. 15 is a vertical cross-sectional view of the ground terminal in the first connector of the second embodiment.
  • FIG. 16 is a vertical cross-sectional view of the ground terminal in the second connector of the second embodiment.
  • FIG. 17 is a vertical sectional view of a ground terminal in a connector set in which the first connector of the second embodiment is combined with the second connector.
  • FIG. 18 is a vertical cross-sectional view of the ground terminal in the first connector of the third embodiment.
  • FIG. 19 is a vertical sectional view of a ground terminal in a connector set in which the first connector of the third embodiment is combined with the second connector.
  • FIG. 20 is a vertical cross-sectional view of the ground terminal in the first connector of the fourth embodiment.
  • FIG. 21 is a vertical sectional view of a ground terminal in a connector set in which the first connector of the fourth embodiment is combined with the second connector.
  • FIG. 22 is a vertical cross-sectional view of the ground terminal in the first connector of the fifth embodiment.
  • FIG. 23 is a vertical sectional view of a ground terminal in a connector set in which the first connector of the fifth embodiment is combined with the second connector.
  • FIG. 24 is a vertical sectional view of the ground terminal in the first connector of the sixth embodiment.
  • FIG. 25 is a vertical sectional view of a ground terminal in a connector set in which the first connector of the sixth embodiment is combined with the second connector.
  • FIG. 26 is a vertical sectional view of the ground terminal in the first connector of the seventh embodiment.
  • FIG. 27 is a vertical sectional view of a ground terminal in a connector set in which the first connector of the seventh embodiment is combined with the second connector.
  • the first connector includes a case, a holder, two signal terminals, and a ground terminal.
  • the case is conductive and contains openings on the surface.
  • the holder is insulating and is held inside the case.
  • the two signal terminals are formed of a conductive member, are arranged in parallel with each other, and are held by a holder.
  • Each of the signal terminals includes a signal terminal base, a signal terminal female connection, and a signal terminal intermediate.
  • the signal terminal base is sandwiched between the bottom of the case and the holder in an insulated state from the case.
  • the female connection of the signal terminal is concavely curved and exposed in the opening of the case.
  • the signal terminal intermediate portion connects the signal terminal base portion and the signal terminal female connection portion.
  • the ground terminal is formed of a conductive member.
  • the ground terminal is arranged in parallel with the signal terminal between the signal terminals and held in the holder.
  • the ground terminal includes a ground terminal base, a ground terminal female connection portion, and a ground terminal intermediate portion.
  • the ground terminal base is sandwiched between the bottom of the case and the holder and comes into contact with the bottom of the case.
  • the female connection of the ground terminal is concavely curved and exposed in the opening of the case.
  • the female ground terminal connection is electrically connected to the bottom of the case.
  • the ground terminal intermediate portion connects the ground terminal base portion and the ground terminal female connection portion (first configuration).
  • the ground terminal base is in contact with the bottom of the case, so that the ground terminal base is electrically connected to the bottom of the case.
  • the ground terminal female connection portion is electrically connected to the bottom of the case.
  • the female ground terminal connection portion may be in direct contact with the bottom of the case, or the female ground terminal connection portion may be in contact with the bottom of the case via another conductive member. Therefore, the ground terminal is electrically connected to the bottom of the case at two points, the ground terminal base and the ground terminal female connection portion. That is, the ground terminal is connected to the case at the ground terminal base away from the ground terminal female connection portion, and further connected to the case at the ground terminal female connection portion.
  • the case is ground (GND).
  • the ground terminal is connected to the case at the ground terminal female connection portion, so that the GND distance is shorter than that of the well-known first connector. Therefore, the area through which the noise of the signal terminal passes is narrowed. As a result, noise leakage from the signal terminals can be suppressed even when a high-frequency signal is conducted.
  • a transmission line is connected to the first connector.
  • Transmission lines include signal lines (signal lines) and ground conductors.
  • two coaxial cables are connected to the first connector.
  • Each coaxial cable includes a center conductor and an outer conductor.
  • the central conductor is the signal line and the outer conductor is the ground (GND) conductor.
  • Each center conductor is connected to the corresponding signal terminal of the first connector.
  • the signal terminal includes a socket portion.
  • the socket portion extends from the signal terminal base to the side opposite to the signal terminal female connection portion. By inserting the tip of the center conductor into the socket portion, the center conductor is connected to the signal terminal of the first connector.
  • each outer conductor is connected to the case of the first connector.
  • the case includes a crimped portion. By sandwiching the outer conductor by the crimped portion, the outer conductor is connected to the case of the first connector through the crimped portion.
  • two circuit boards are connected to the first connector.
  • Each circuit board includes a signal line and a ground (GND) conductor.
  • Each signal line is connected to the corresponding signal terminal of the first connector.
  • the flexible circuit board includes a first region and a second region connected to the outside of the first region.
  • the first region is a stripline structure and includes a signal line, two ground conductors sandwiching the signal line between each other, and an insulating layer insulating between the signal line and the ground conductor. In the second region, the two ground conductors have been removed to expose the insulating layer covering the signal line.
  • two ground conductors may be connected to each other at predetermined intervals along a signal line, or a plurality of ground vias connected to different ground portions of a flexible circuit board may be arranged. ..
  • the crimped portion sandwiches the first region, so that the ground conductor is connected to the case of the first connector through the crimped portion.
  • the socket portion of the signal terminal is inserted into the insulating layer of the second region to sandwich the signal line, and the caulking portion sandwiches the second region in this state, so that the signal line is connected to the signal terminal of the first connector.
  • a read-out electrode connected to the signal line may be provided on one surface of the insulating layer, and the read-out electrode and the socket portion may be connected by solder or the like.
  • the socket portion may have a flat plate shape so as to overlap the readout electrode.
  • the two circuit boards connected to the first connector may be independent of each other or may have one appearance.
  • the ground terminal base and the bottom of the case partially contact each other (second configuration).
  • the contact area between the ground terminal base and the case is small. Therefore, the contact pressure between the ground terminal base and the case is large. As a result, the contact resistance between the ground terminal base and the case is low.
  • a first protrusion projecting toward the ground terminal base is provided on the bottom of the case (third configuration).
  • the first protrusion comes into contact with the ground terminal base.
  • the base of the ground terminal comes into contact with the bottom of the case.
  • the ground terminal base is provided with the first protrusion protruding toward the bottom of the case (fourth configuration).
  • the first protrusion comes into contact with the bottom of the case.
  • the base of the ground terminal comes into contact with the bottom of the case.
  • the female connection portion of the ground terminal and the bottom of the case partially contact each other (fifth configuration).
  • the contact area between the female connection portion of the ground terminal and the case is small. Therefore, the contact pressure between the female connection portion of the ground terminal and the case is large. As a result, the contact resistance between the female connection portion of the ground terminal and the case is low.
  • a second protrusion protruding toward the female connection portion of the ground terminal is provided on the bottom of the case (sixth configuration).
  • the second protrusion comes into contact with the ground terminal female connection portion.
  • the female connection portion of the ground terminal comes into contact with the bottom of the case.
  • the ground terminal female connection portion is provided with a second protrusion protruding toward the bottom of the case (seventh configuration).
  • the second protrusion comes into contact with the bottom of the case.
  • the female connection portion of the ground terminal comes into contact with the bottom of the case.
  • the size of the ground terminal female connection portion may be larger toward the bottom of the case as compared with the signal terminal female connection portion (eighth configuration).
  • the elastic range of motion of the female ground terminal connection portion is widened. This improves the life of the ground terminal.
  • the first connector having the first to eighth configurations is combined with the second connector.
  • the second connector may be the second connector having the ninth configuration below, or may be a well-known second connector.
  • the second connector includes a frame, a holder, two signal terminals, and a ground terminal.
  • the frame is conductive and contains openings on the surface.
  • the holder is insulating and is held within the frame.
  • the two signal terminals are formed of a conductive member, are arranged in parallel with each other, and are held by a holder.
  • Each of the signal terminals includes a signal terminal base, a signal terminal male connection portion, and a signal terminal intermediate portion.
  • the signal terminal base is fixed to the holder, and the back surface is exposed to the outside.
  • the male signal terminal connection is fixed to the holder, curved convexly and exposed in the opening of the frame.
  • the intermediate part of the signal terminal is fixed to the holder and connects the signal terminal base and the signal terminal male connection part.
  • the ground terminal is formed of a conductive member.
  • the ground terminal is arranged in parallel with the signal terminal between the signal terminals and held in the holder.
  • the ground terminal includes a ground terminal base, a ground terminal male connection portion, and a ground terminal intermediate portion.
  • the ground terminal base is fixed to the holder, and the back surface is exposed to the outside.
  • the ground terminal male connection is fixed to the holder and is curved convexly to be exposed in the opening of the frame. In the ground terminal male connection portion, the back surface of at least one end of both ends is exposed to the outside.
  • the ground terminal intermediate portion is fixed to the holder and connects the ground terminal base portion and the ground terminal male connection portion (9th configuration).
  • the second connector of the ninth configuration is mounted on a circuit board (eg, flexible circuit board, rigid circuit board).
  • This circuit board includes two signal lines and a ground (GND).
  • Each signal line on the circuit board is connected to the corresponding signal terminal of the second connector.
  • the signal terminal is joined to the signal line of the circuit board on the back surface of the signal terminal base.
  • the ground of the circuit board is connected to the ground terminal of the second connector.
  • the ground terminal is joined to the ground on the back surface of one or both ends of both ends of the ground terminal male connection portion. That is, the ground terminal is electrically connected to the ground of the circuit board at the ground terminal male connection portion.
  • the ground terminal may be joined to the ground of the circuit board on the back surface of the ground terminal base. In this case, the ground terminal is further connected to the ground of the circuit board at the ground terminal base away from the ground terminal male connection portion.
  • the ground terminal is connected to the ground of the circuit board at the ground terminal male connection portion, so that the GND distance is shorter than that of the well-known second connector. Therefore, the area through which the noise of the signal terminal passes is narrowed. As a result, noise leakage from the signal terminals can be suppressed even when a high-frequency signal is conducted.
  • the second connector of the ninth configuration is combined with the first connector.
  • the first connector may be the first connector having the above-mentioned first to eighth configurations, or may be a well-known first connector.
  • the connector set includes a first connector and a second connector.
  • the first connector includes a case, a holder, two signal terminals, and a ground terminal.
  • the case is conductive and contains openings on the surface.
  • the holder is insulating and is held inside the case.
  • the two signal terminals are formed of a conductive member, are arranged in parallel with each other, and are held by a holder.
  • Each of the signal terminals includes a signal terminal base, a signal terminal female connection, and a signal terminal intermediate.
  • the signal terminal base is sandwiched between the bottom of the case and the holder in an insulated state from the case.
  • the female connection of the signal terminal is concavely curved and exposed in the opening of the case.
  • the signal terminal intermediate portion connects the signal terminal base portion and the signal terminal female connection portion.
  • the ground terminal is formed of a conductive member.
  • the ground terminal is arranged in parallel with the signal terminal between the signal terminals and held in the holder.
  • the ground terminal includes a ground terminal base, a ground terminal female connection portion, and a ground terminal intermediate portion.
  • the ground terminal base is sandwiched between the bottom of the case and the holder and comes into contact with the bottom of the case.
  • the female connection of the ground terminal is concavely curved and exposed in the opening of the case.
  • the ground terminal middle portion connects the ground terminal base and the ground terminal female connection portion.
  • the middle portion of the ground terminal has a convex portion exposed in the opening of the case.
  • the second connector includes a frame, a holder, two signal terminals, and a ground terminal.
  • the frame is conductive and contains openings on the surface.
  • the holder is insulating and is held within the frame.
  • the two signal terminals are formed of a conductive member, are arranged in parallel with each other, and are held by a holder.
  • Each of the signal terminals includes a signal terminal base, a signal terminal male connection portion, and a signal terminal intermediate portion.
  • the signal terminal base is fixed to the holder, and the back surface is exposed to the outside.
  • the male signal terminal connection is fixed to the holder, curved convexly and exposed in the opening of the frame.
  • the intermediate part of the signal terminal is fixed to the holder and connects the signal terminal base and the signal terminal male connection part.
  • the ground terminal is formed of a conductive member.
  • the ground terminal is arranged in parallel with the signal terminal between the signal terminals and held in the holder.
  • the ground terminal includes a ground terminal base, a ground terminal male connection portion, and a ground terminal intermediate portion.
  • the ground terminal base is fixed to the holder, and the back surface is exposed to the outside.
  • the ground terminal male connection is fixed to the holder and is curved convexly to be exposed in the opening of the frame.
  • the middle part of the ground terminal is fixed to the holder and connects the ground terminal base and the ground terminal male connection part.
  • the female signal terminal connection part fits with the male signal terminal connection part. Further, the female ground terminal connection portion is fitted with the male ground terminal connection portion. Further, the convex portion of the intermediate portion of the ground terminal of the first connector comes into contact with the frame of the second connector (tenth configuration).
  • the ground terminal of the first connector contacts the bottom of the case at the base of the ground terminal, and the convex portion of the middle of the ground terminal contacts the frame of the second connector. That is, the ground terminal is connected to the case at the ground terminal base away from the ground terminal female connection portion, and is further connected to the frame at the ground terminal intermediate portion between the ground terminal female connection portion and the ground terminal base portion. Since the case fits into the frame, the frame is ground (GND) with the case.
  • the ground terminal of the first connector is connected to the frame of the second connector at the middle portion of the ground terminal, so that the GND distance is compared with the first connector of the well-known connector set. Becomes shorter. Therefore, the area through which the noise of the signal terminal passes is narrowed. As a result, noise leakage from the signal terminals can be suppressed even when a high-frequency signal is conducted.
  • the features of the first connector of the first to eighth configurations may be added to the first connector of the connector set of the tenth configuration.
  • the characteristics of the second connector of the ninth configuration may be added to the first connector of the connector set of the tenth configuration.
  • FIG. 1 is a perspective view of a connector set including the first connector 1 of the first embodiment.
  • the connector set comprises a first connector 1 and a second connector 2.
  • Two coaxial cables 3 are connected to the first connector 1.
  • a circuit board (not shown) is connected to the second connector 2.
  • each coaxial cable 3 and a circuit board (not shown) are electrically connected to each other.
  • the first connector 1 to which the coaxial cable is connected is also referred to as a plug.
  • the second connector which is the other connector of the first connector, is also referred to as a receptacle.
  • FIG. 2 shows a first connector 1 in a state where the coaxial cable 3 is attached.
  • FIG. 3 shows the first connector 1 in a state before the coaxial cable 3 is attached.
  • FIG. 4 shows each element of the first connector 1 in an exploded manner.
  • FIG. 5 shows each element shown in FIG. 4 from a different viewpoint from that of FIG. 2 to 5 show a situation when the first connector 1 is viewed from the front surface side.
  • the surface of the first connector 1 means the surface facing the second connector 2.
  • the surface of the second connector 2 means the surface facing the first connector 1.
  • the direction in which the coaxial cable 3 extends may be referred to as a front-rear direction.
  • the side where the coaxial cable 3 exists may be referred to as the rear, and the side opposite to the coaxial cable 3 may be referred to as the front.
  • the rear may be indicated by Re and the front may be indicated by Fr.
  • the coaxial cable 3 includes a central conductor 31, an insulator 33, an outer conductor 32, and a protective film 34 in order from the axis.
  • the insulator 33 insulates the central conductor 31 from the outer conductor 32.
  • the first connector 1 includes a case 13, a holder 14, two signal terminals 11, and a ground terminal 12.
  • the case 13 is conductive and includes an opening 130 on the surface.
  • the case 13 is made of, for example, a metal plate.
  • the case 13 is manufactured by bending a metal plate.
  • the material of the case 13 (metal plate) is, for example, a copper alloy.
  • the case 13 (metal plate) may be plated (eg, Ni (nickel) plating, Au (gold) plating).
  • case 13 includes a bottom wall 131, a front wall 132, and two side walls 133.
  • the planar shape of the bottom wall 131 is generally rectangular.
  • the bottom wall 131 includes the first raised portion 131a at a position rearward from the center.
  • the first raised portion 131a is formed by cutting and raising the bottom wall 131.
  • the bottom wall 131 includes the second raised portion 131b at a position closer to the front than the center.
  • the second raised portion 131b is formed by cutting and raising the bottom wall 131.
  • the surface located on the opposite side of the bottom wall 131 is the opening 130.
  • the first raised portion 131a is located one step higher than the bottom wall 131 on the opening 130 side of the case 13.
  • the second raised portion 131b is also located one step higher than the bottom wall 131 on the opening 130 side of the case 13.
  • the height of the second raised portion 131b is substantially the same as the height of the first raised portion 131a.
  • the first raised portion 131a includes a first protrusion 131aa.
  • the first protrusion 131aa protrudes from the first raised portion 131a toward the opening 130 side of the case 13. In short, the first protrusion 131aa projects inward of the case 13.
  • the first protrusion 131aa has, for example, a columnar or hemispherical shape.
  • each first caulking portion 134 plays a role of holding the signal terminal 11 and the ground terminal 12, which will be described in detail later, in the case 13 together with the holder 14 by sandwiching the holder 14.
  • the tip of the central conductor 31 of the coaxial cable 3 is inserted into the socket portion 114 of the signal terminal 11 described in detail later, whereby the central conductor 31 is connected to the signal terminal 11.
  • the second caulking portion 135 plays a role of holding the coaxial cable 3 in the case 13 by sandwiching the insulator 33 of the coaxial cable 3 inserted into the socket portion 114 by the central conductor 31.
  • the third caulking portion 136 plays a role of connecting the outer conductor 32 to the case 13 by sandwiching the outer conductor 32 of the coaxial cable 3.
  • the fourth caulking portion 137 plays a role of holding the coaxial cable 3 in the case 13 by sandwiching the coaxial cable 3 (protective film 34).
  • the holder 14 has an insulating property and is held in the case 13.
  • the holder 14 is made of, for example, a resin.
  • the holder 14 is manufactured by injection molding.
  • the material of the holder 14 is, for example, a liquid crystal polymer.
  • the holder 14 is composed of a first holder 141 and a second holder 142 that are stacked on each other.
  • the first holder 141 is arranged on the opening 130 side of the case 13, and the second holder 142 is arranged on the bottom wall 131 side of the case 13.
  • the first holder 141 and the second holder 142 hold two signal terminals 11 and a ground terminal 12, which will be described in detail later.
  • the first holder 141 and the second holder 142 are individually injection molded.
  • the second holder 142 may be insert-molded so as to be integrated with the case 13.
  • the second holder 142 includes the plate portion 142a.
  • the plate portion 142a overlaps the bottom wall 131 of the case 13.
  • the plate portion 142a has a first recess 142aa at a position corresponding to the first raised portion 131a of the case 13.
  • the first raised portion 131a is housed in the first recess 142aa.
  • the plate portion 142a has a second recess 142ab at a position corresponding to the second raised portion 131b of the case 13.
  • the second raised portion 131b is housed in the second recess 142ab.
  • the first holder 141 includes the recess 141a.
  • the recess 141a accommodates the signal terminal female connection portion 112 of each signal terminal 11 and the ground terminal female connection portion 122 of the ground terminal 12, which will be described in detail later.
  • the portions corresponding to each of the signal terminal female connection portion 112 and the ground terminal female connection portion 122 penetrate.
  • the two signal terminals 11 and the ground terminal 12 are held in the holder 14 (first holder 141 and second holder 142). Specifically, the second holder 142 overlaps the bottom wall 131 of the case 13, and the two signal terminals 11 and the ground terminal 12 are arranged on the second holder 14. Here, the two signal terminals 11 are arranged in parallel with each other.
  • the ground terminal 12 is arranged in parallel with the signal terminal 11 between the signal terminals 11. Each signal terminal 11 and ground terminal 12 extend in the front-rear direction.
  • the signal terminal 11 is formed of a conductive member.
  • the signal terminal 11 is made of a metal plate. That is, the signal terminal 11 has conductivity.
  • the signal terminal 11 is manufactured by bending an elongated metal plate.
  • the material of the signal terminal 11 (metal plate) is, for example, a copper alloy.
  • the signal terminal 11 (metal plate) may be plated (eg, Ni (nickel) plating, Au (gold) plating).
  • the ground terminal 12 is formed of a conductive member.
  • the ground terminal 12 is made of a metal plate. That is, the ground terminal 12 has conductivity.
  • the ground terminal 12 is manufactured by bending an elongated metal plate.
  • the material of the ground terminal 12 (metal plate) is, for example, a copper alloy.
  • the ground terminal 12 (metal plate) may be plated (eg, Ni (nickel) plating, Au (gold) plating).
  • the signal terminal 11 includes a signal terminal base 111, a signal terminal female connection portion 112, and a signal terminal intermediate portion 113.
  • the signal terminal base 111 extends in the front-rear direction.
  • the signal terminal female connection portion 112 is arranged in front of the signal terminal base portion 111.
  • the signal terminal female connection portion 112 is curved in a concave shape.
  • the signal terminal intermediate portion 113 connects the signal terminal base portion 111 and the signal terminal female connection portion 112.
  • the signal terminal intermediate portion 113 includes a straight line portion connected to the signal terminal base portion 111 and an upright portion connected to the rear end of the signal terminal female connection portion 112.
  • the signal terminal 11 includes a socket portion 114.
  • the socket portion 114 extends diagonally rearward from the signal terminal base 111 and stands upright.
  • the socket portion 114 extends from the signal terminal base 111 to the opposite side of the signal terminal female connection 112.
  • the socket portion 114 has a notch. The tip of the center conductor 31 of the coaxial cable 3 is inserted into the notch in the socket portion 114.
  • the ground terminal 12 includes a ground terminal base 121, a ground terminal female connection portion 122, and a ground terminal intermediate portion 123.
  • the ground terminal base 121 extends in the front-rear direction.
  • the ground terminal female connection portion 122 is arranged in front of the ground terminal base portion 121.
  • the ground terminal female connection portion 122 is curved in a concave shape.
  • the ground terminal intermediate portion 123 connects the ground terminal base portion 121 and the ground terminal female connection portion 122.
  • the ground terminal intermediate portion 123 includes a straight line portion connected to the ground terminal base portion 121 and an upright portion connected to the rear end of the ground terminal female connecting portion 122.
  • the ground terminal base 121 is arranged on the first raised portion 131a of the case 13.
  • the ground terminal female connection portion 122 is arranged on the second raised portion 131b of the case 13.
  • the signal terminal base 111 is arranged on the plate 142a of the second holder 142.
  • the signal terminal female connection portion 112 is arranged on the plate portion 142a of the second holder 142.
  • Each signal terminal 11 and ground terminal 12 are held in the holder 14 (first holder 141 and second holder 142) in the case 13. In this state, the first caulking portion 134 is bent to sandwich the holder 14. In this way, each signal terminal 11 and ground terminal 12 are incorporated into the case 13 together with the holder 14. As a result, as shown in FIG. 3, the first connector 1 is obtained.
  • Each signal terminal female connection portion 112 is exposed in the opening 130 of the case 13.
  • the ground terminal female connection portion 122 is exposed in the opening 130 of the case 13.
  • Two coaxial cables 3 are connected to this first connector 1. Specifically, the tip of the central conductor 31 of the coaxial cable 3 is inserted into the socket portion 114 of the signal terminal 11, and the central conductor 31 is connected to the signal terminal 11. Then, the second caulking portion 135 is bent to sandwich the insulator 33 of the coaxial cable 3. As a result, the coaxial cable 3 is held in the case 13. Then, the third caulking portion 136 is bent to sandwich the outer conductor 32 of the coaxial cable 3. As a result, the outer conductor 32 is connected to the case 13 through the third caulking portion 136. Then, the fourth caulking portion 137 is bent to sandwich the coaxial cable 3. As a result, the coaxial cable 3 is held by the first connector 1. In this way, the two coaxial cables 3 are attached to the first connector 1. As a result, as shown in FIG. 2, the first connector 1 to which the coaxial cable 3 is connected is obtained.
  • FIG. 6 and 7 are cross-sectional views of the first connector 1 of the first embodiment.
  • FIG. 6 shows a vertical cross section of the signal terminal 11 along the front-rear direction.
  • FIG. 7 shows a vertical cross section of the ground terminal 12 along the front-rear direction.
  • the signal terminal base 111 is sandwiched between the bottom of the case 13 and the holder 14 in a state of being insulated from the case 13 by being sandwiched by the first caulking portion 134. Specifically, the signal terminal base 111 is sandwiched between the bottom wall 131 of the case 13 and the first holder 141. However, the plate portion 142a of the second holder 142 exists between the signal terminal base portion 111 and the bottom wall 131 of the case 13. Since the second holder 142 has an insulating property, the signal terminal base 111 is insulated from the case 13.
  • the signal terminal female connection portion 112 is exposed in the opening 130 of the case 13.
  • the recess of the signal terminal female connection 112 faces the opening 130 of the case 13.
  • a plate portion 142a of the second holder 142 exists between the signal terminal female connection portion 112 and the bottom wall 131 of the case 13. Therefore, the signal terminal female connection portion 112 is insulated from the case 13.
  • a plate portion 142a of the second holder 142 also exists between the signal terminal intermediate portion 113 and the bottom wall 131 of the case 13. Therefore, the signal terminal intermediate portion 113 is also insulated from the case 13. In short, the signal terminal 11 is insulated from the case 13.
  • the force applied from the holder 14 to the signal terminal 11 is applied to the signal terminal base 111 and the plate portion 142a of the second holder 142. It acts on the position slightly closer to the signal terminal female connection portion 112 from the contact portion of. As a result, the signal terminal female connection portion 112 is mechanically pressed toward the plate portion 142a of the second holder 142. Therefore, the posture of the signal terminal female connection portion 112 is stable.
  • the ground terminal base 121 is sandwiched between the bottom of the case 13 and the holder 14 by the sandwiching by the first caulking portion 134. Specifically, the ground terminal base 121 is sandwiched between the first raised portion 131a of the case 13 and the first holder 141. As a result, the ground terminal base 121 partially comes into contact with the first raised portion 131a of the case 13. More specifically, the ground terminal base 121 comes into contact with the first protrusion 131aa protruding from the first raised portion 131a of the case 13. Therefore, the ground terminal base 121 is electrically connected to the case 13.
  • the ground terminal female connection portion 122 is exposed in the opening 130 of the case 13.
  • the recess of the ground terminal female connection portion 122 faces the opening of the case 13.
  • the ground terminal female connection portion 122 comes into contact with the second raised portion 131b of the case 13. Therefore, the ground terminal female connection portion 122 is electrically connected to the case 13.
  • the force applied from the holder 14 to the ground terminal 12 is the first of the ground terminal base 121 and the case 13. It acts on the position slightly closer to the ground terminal female connection portion 122 from the contact portion with the raised portion 131a.
  • the ground terminal female connection portion 122 is mechanically pressed toward the second raised portion 131b of the case 13. Therefore, the posture of the ground terminal female connection portion 122 is stable, and the contact state between the ground terminal female connection portion 122 and the second raised portion 131b of the case 13 is stable. That is, the connection state between the ground terminal female connection portion 122 and the case 13 is stable.
  • FIG. 8 to 12 are schematic views of a second connector 2 to which the first connector 1 of the first embodiment is combined.
  • FIG. 8 shows a perspective view of the second connector 2.
  • FIG. 9 shows a plan view of the second connector 2 when viewed from the front surface side.
  • FIG. 10 shows a plan view of the second connector 2 when viewed from the back surface side.
  • FIG. 11 shows a vertical cross section of the signal terminal 21 of the second connector 2 along the front-rear direction.
  • FIG. 12 shows a vertical cross section of the second connector 2 along the front-rear direction of the ground terminal 22.
  • FIG. 8 shows the situation when the second connector 2 is viewed from the front surface side.
  • the second connector 2 includes a frame 23, a holder 24, two signal terminals 21, and a ground terminal 22.
  • the frame 23 is conductive and includes an opening 230 on its surface.
  • the frame 23 is made of, for example, a metal plate.
  • the frame 23 is manufactured by bending a metal plate.
  • the material of the frame 23 (metal plate) is, for example, a copper alloy.
  • the frame 23 (metal plate) may be plated (eg, Ni (nickel) plating, Au (gold) plating).
  • the frame 23 includes a front wall 232, a rear wall 234, two side walls 233, and two flanges 235. With the front wall 232, the rear wall 234, and the two side walls 233, the frame 23 has a substantially tubular shape. Each flange 235 projects outward from the corresponding side wall 233. Of the area surrounded by the front wall 232, the rear wall 234 and the two side walls 233, the surface located on the opposite side of the flange 235 is the opening 230.
  • the holder 24 has an insulating property and is held in the frame 23.
  • the holder 24 is made of, for example, resin.
  • the holder 24 is manufactured by injection molding.
  • the material of the holder 24 is, for example, a liquid crystal polymer.
  • the holder 24 holds two signal terminals 21 and a ground terminal 22, which will be described in detail later.
  • the holder 24 may be insert-molded so as to be integrated with the frame 23. Further, the holder 24 may be insert-molded so as to be integrated with each signal terminal 21 and the ground terminal 22.
  • the holder 24 includes a recess 24a.
  • the recess 24a accommodates the signal terminal male connection portion 212 of each signal terminal 21, which will be described in detail later, and the ground terminal male connection portion 222 of the ground terminal 22.
  • the portions corresponding to each of the signal terminal male connection portion 212 and the ground terminal male connection portion 222 penetrate.
  • the two signal terminals 21 and the ground terminal 22 are fixed to the holder 24. Specifically, the two signal terminals 21 are arranged in parallel with each other.
  • the ground terminal 22 is arranged in parallel with the signal terminal 21 between the signal terminals 21.
  • Each signal terminal 21 and ground terminal 22 extend in the front-rear direction.
  • the signal terminal 21 is formed of a conductive member.
  • the signal terminal 21 is made of a metal plate. That is, the signal terminal 21 has conductivity.
  • the signal terminal 21 is manufactured by bending an elongated metal plate.
  • the material of the signal terminal 21 (metal plate) is, for example, a copper alloy.
  • the signal terminal 21 (metal plate) may be plated (eg, Ni (nickel) plating, Au (gold) plating).
  • the ground terminal 22 is formed of a conductive member.
  • the ground terminal 22 is made of a metal plate. That is, the ground terminal 22 has conductivity.
  • the ground terminal 22 is manufactured by bending an elongated metal plate.
  • the material of the ground terminal 22 (metal plate) is, for example, a copper alloy.
  • the ground terminal 22 (metal plate) may be plated (eg, Ni (nickel) plating, Au (gold) plating).
  • the signal terminal 21 includes a signal terminal base portion 211, a signal terminal male connection portion 212, and a signal terminal intermediate portion 213.
  • the signal terminal base 211 extends in the front-rear direction. The front end of the signal terminal base 211 projects from the holder 24. The back surface of this front end is exposed to the outside.
  • the signal terminal male connection portion 212 is arranged behind the signal terminal base portion 211.
  • the signal terminal male connection portion 212 is curved convexly. The back surface of the front end portion of the signal terminal male connection portion 212 is exposed to the outside.
  • the rear end portion of the signal terminal male connection portion 212 stays in the holder 24. That is, the rear end portion of the signal terminal male connection portion 212 is not exposed to the outside.
  • the signal terminal intermediate portion 213 connects the signal terminal base portion 211 and the signal terminal male connection portion 212.
  • the signal terminal intermediate portion 213 includes a straight portion.
  • the ground terminal 22 includes a ground terminal base portion 221 and a ground terminal male connection portion 222, and a ground terminal intermediate portion 223.
  • the ground terminal base 221 extends in the front-rear direction. The front end of the ground terminal base 221 projects from the holder 24. The back surface of this front end is exposed to the outside.
  • the ground terminal male connection portion 222 is arranged behind the ground terminal base portion 221.
  • the ground terminal male connection portion 222 is curved convexly. The back surface of the front end portion of the ground terminal male connection portion 222 is exposed to the outside.
  • the rear end portion of the ground terminal male connection portion 222 stays in the holder 24. That is, the rear end portion of the ground terminal male connection portion 222 is not exposed to the outside.
  • the ground terminal intermediate portion 223 connects the ground terminal base portion 221 and the ground terminal male connection portion 222.
  • the ground terminal intermediate portion 223 includes a straight portion.
  • the second connector 2 is mounted on the circuit board 4.
  • the circuit board 4 is a flexible circuit board.
  • the circuit board 4 includes two signal lines 41 and a ground (GND) 42. Each signal line 41 is connected to the corresponding signal terminal 21 of the second connector 2.
  • the ground 42 is connected to the ground terminal 22 of the second connector 2.
  • the front end portion of the signal terminal base portion 211 overlaps with the signal line 41 of the circuit board 4.
  • the back surface of the front end portion of the signal terminal base portion 211 is exposed to the outside, and the back surface of the front end portion is joined to the signal line 41 of the circuit board 4 by soldering. Therefore, the signal terminal base 211 is electrically connected to the signal line 41 of the circuit board 4.
  • the signal line 41 of the circuit board 4 is not formed at a position corresponding to the signal terminal intermediate portion 213 and the signal terminal male connection portion 212. Therefore, the signal terminal intermediate portion 213 and the signal terminal male connection portion 212 are not connected to the signal line 41 of the circuit board 4.
  • the front end portion of the ground terminal base portion 221 overlaps the ground 42 of the circuit board 4.
  • the back surface of the front end portion of the ground terminal base portion 221 is exposed to the outside, and the back surface of the front end portion is joined to the ground 42 of the circuit board 4 by soldering. Therefore, the ground terminal base portion 221 is electrically connected to the ground 42 of the circuit board 4.
  • the ground 42 of the circuit board 4 is not formed at a position corresponding to the ground terminal intermediate portion 223 and the ground terminal male connection portion 222. Therefore, the ground terminal intermediate portion 223 and the ground terminal male connection portion 222 are not connected to the ground 42 of the circuit board 4.
  • Such a second connector 2 corresponds to a well-known second connector.
  • FIG. 13 and 14 are cross-sectional views of a connector set in which the first connector 1 of the first embodiment is combined with the second connector 2.
  • FIG. 13 shows a vertical cross section of the signal terminals 11 and 21 along the front-rear direction.
  • FIG. 14 shows a vertical cross section of the ground terminals 12 and 22 along the front-rear direction.
  • each signal terminal female connection 112 fits with the corresponding signal terminal male connection 212.
  • the ground terminal female connection portion 122 fits with the ground terminal male connection portion 222.
  • the case 13 fits into the frame 23. Therefore, the frame 23 is the ground (GND) together with the case 13.
  • the signal terminal female connection portion 112 and the ground terminal female connection portion 122 can each be elastically deformed in the space of the recess 141a of the first holder 141. Therefore, the signal terminal female connection portion 112 is elastically deformed so as to open the mouth with the entry of the signal terminal male connection portion 212, and then restored so that the mouth closes. As a result, the female signal terminal connection 112 is in strong contact with the male signal terminal 212, and the female signal terminal 112 is electrically connected to the male signal terminal 212. Similarly, the ground terminal female connection portion 122 is elastically deformed so as to open the mouth with the entry of the ground terminal male connection portion 222, and then restored so that the mouth closes. As a result, the ground terminal female connection portion 122 is in strong contact with the ground terminal male connection portion 222, and the ground terminal female connection portion 122 is connected to the ground terminal male connection portion 222.
  • the ground terminal 12 is electrically connected to the bottom of the case 13 at two points, the ground terminal base 121 and the ground terminal female connection portion 122. That is, the ground terminal 12 is connected to the case 13 by the ground terminal base 121 separated from the ground terminal female connection portion 122, and further connected to the case 13 by the ground terminal female connection portion 122.
  • the GND distance is shortened as compared with the well-known first connector. Therefore, the area through which the noise of the signal terminal 11 passes is narrowed. As a result, noise leakage of the signal terminal 11 can be suppressed not only when the low frequency signal is conducted but also when the high frequency signal is conducted.
  • noise is likely to be emitted at the signal terminal female connection portion 112. This is because the signal terminal female connection portion 112 is fitted with the signal terminal male connection portion 212 of the second connector 2, and impedance mismatch is likely to occur at the fitted connection portion. Therefore, connecting the ground terminal 12 to the case 13 at the ground terminal female connection portion 122 near the signal terminal female connection portion 112 is extremely effective in suppressing noise leakage.
  • the ground terminal female connection portion 122 simply contacts the bottom of the case 13. In other words, the ground terminal female connection portion 122 is not fixed to the bottom of the case 13. As a result, when the ground terminal female connection portion 122 is fitted with the ground terminal male connection portion 222 of the second connector 2, the elastic deformation of the ground terminal female connection portion 122 is not hindered at all.
  • the ground terminal female connection portion 122 may be joined to the case 13 by soldering or the like as long as elastic deformation of the ground terminal female connection portion can be tolerated.
  • the ground terminal base portion 121 comes into contact with the first protrusion 131aa protruding from the first raised portion 131a of the case 13. That is, the ground terminal base 121 and the bottom of the case 13 partially come into contact with each other. In this case, the contact area between the ground terminal base 121 and the case 13 is small. Therefore, the contact pressure between the ground terminal base 121 and the case 13 is large. As a result, the contact resistance between the ground terminal base 121 and the case 13 is low.
  • the ground terminal base 121 and the bottom of the case 13 do not necessarily have to partially contact each other.
  • the first raised portion 131a of the case 13 may be flat without the first protrusion 131a provided on the first raised portion 131a of the case 13. In this case, the ground terminal base 121 comes into wide contact with the first raised portion 131a of the case 13.
  • the second embodiment will be described below with reference to FIGS. 15 to 17.
  • the second embodiment is a modification of the first connector 1 and the second connector 2 of the first embodiment.
  • the description of the configuration overlapping with the first embodiment will be omitted as appropriate. The same shall apply to the embodiments described later.
  • FIG. 15 is a vertical cross-sectional view of the ground terminal 12 in the first connector 1 of the second embodiment along the front-rear direction.
  • the configuration related to the ground terminal 12 is different from that of the first embodiment.
  • the configuration related to the signal terminal 11 is the same as that of the first embodiment.
  • the form of the ground terminal 12 itself is the same as that of the first embodiment.
  • the case 13 does not have the second raised portion 131b of the first embodiment. Instead, in the case 13, the bottom wall 131 is present at a position corresponding to the ground terminal female connection portion 122.
  • the plate portion 142a of the second holder 142 does not have the second recess 142ab of the first embodiment. That is, in the second holder 142, the plate portion 142a at the position corresponding to the ground terminal female connection portion 122 is flat.
  • the plate portion 142a of the second holder 142 exists between the ground terminal female connection portion 122 and the bottom wall 131 of the case 13. Therefore, the ground terminal female connection portion 122 is insulated from the case 13.
  • the ground terminal 12 comes into contact with the bottom of the case 13 at one point of the ground terminal base 121. That is, the ground terminal 12 is connected to the case 13 by the ground terminal base 121 separated from the ground terminal female connection portion 122.
  • Such a first connector 1 corresponds to a well-known first connector.
  • FIG. 16 is a vertical cross-sectional view of the ground terminal 22 in the second connector 2 of the second embodiment along the front-rear direction.
  • the configuration related to the ground terminal 22 is different from that of the first embodiment.
  • the configuration related to the signal terminal 21 is the same as that of the first embodiment.
  • the form of the ground terminal 22 itself is substantially the same as that of the first embodiment.
  • the back surface of the front end portion of the ground terminal male connection portion 222 is exposed to the outside, and further, the rear end portion of the ground terminal male connection portion 222 is also exposed to the outside. That is, the rear end portion of the ground terminal male connection portion 222 extends to the back surface of the holder 24.
  • the second connector 2 is mounted on the circuit board 4.
  • the ground 42 of the circuit board 4 is formed at a position corresponding to the front end portion of the ground terminal base portion 221 and further formed at a position corresponding to the ground terminal male connection portion 222.
  • the front end portion and the rear end portion of the ground terminal male connection portion 222 overlap with the ground 42 of the circuit board 4.
  • the front end portion of the ground terminal male connection portion 222 is exposed to the outside, and the back surface of the front end portion is joined to the ground 42 of the circuit board 4 by soldering.
  • the rear end portion of the ground terminal male connection portion 222 is also exposed to the outside, and the back surface of the rear end portion is joined to the ground 42 of the circuit board 4 by soldering.
  • the back surface of the front end portion of the ground terminal base portion 221 is joined to the ground 42 of the circuit board 4 by soldering.
  • FIG. 17 is a vertical cross-sectional view of the ground terminals 12 and 22 in the connector set in which the first connector 1 of the second embodiment is combined with the second connector 2 along the front-rear direction.
  • the ground terminal female connection portion 122 is fitted with the ground terminal male connection portion 222 as in the first embodiment.
  • the ground terminal female connection portion 122 is connected to the ground terminal male connection portion 222.
  • the ground terminal 22 is joined to the ground 42 of the circuit board 4 on the back surface of the front end portion of the ground terminal base 221. Further, the ground terminal 22 is joined to the ground 42 on the back surfaces of both the front end portion and the rear end portion of the ground terminal male connection portion 222. That is, the ground terminal 22 is connected to the ground 42 of the circuit board 4 by the ground terminal base portion 221 away from the ground terminal male connection portion 222, and further connected to the ground 42 of the circuit board 4 by the ground terminal male connection portion 222.
  • the GND distance is shortened as compared with the well-known second connector. Therefore, the area through which the noise of the signal terminal 21 passes is narrowed. As a result, noise leakage of the signal terminal 21 can be suppressed not only when the low frequency signal is conducted but also when the high frequency signal is conducted.
  • noise is likely to be emitted at the signal terminal male connection portion 212.
  • the signal terminal male connection portion 212 is fitted with the signal terminal female connection portion 112 of the first connector 1, and impedance mismatch is likely to occur at the fitted connection portion. Therefore, connecting the ground terminal 22 to the ground 42 of the circuit board 4 at the ground terminal male connection portion 222 near the signal terminal male connection portion 212 is extremely effective in suppressing noise leakage.
  • the ground terminal 22 may be joined to the ground 42 at the back surface of one of the front end portion and the rear end portion of the ground terminal male connection portion 222. Further, the ground terminal 22 does not have to be joined to the ground 42 on the back surface of the front end portion of the ground terminal base portion 221. In other words, the ground 42 of the circuit board 4 does not have to be formed at a position corresponding to the front end portion of the signal terminal base portion 211.
  • the third embodiment will be described below with reference to FIGS. 18 and 19.
  • the third embodiment is a modification of the first connector 1 of the first embodiment.
  • FIG. 18 is a vertical cross-sectional view of the ground terminal 12 in the first connector 1 of the third embodiment along the front-rear direction.
  • FIG. 19 is a vertical cross-sectional view of the ground terminals 12 and 22 in the connector set in which the first connector 1 of the third embodiment is combined with the second connector 2 along the front-rear direction.
  • the configuration related to the ground terminal 12 is different from that of the first embodiment.
  • the configuration related to the signal terminal 11 is the same as that of the first embodiment.
  • the form of the ground terminal 12 itself is substantially the same as that of the first embodiment.
  • the first raised portion 131a of the case 13 does not have the first protrusion 131aa of the first embodiment. That is, the first raised portion 131a of the case 13 is flat.
  • a first protrusion 121a is provided on the ground terminal base 121.
  • the first protrusion 121a projects toward the first raised portion 131a of the case 13. That is, the first protrusion 121a projects toward the bottom of the case 13.
  • the first protrusion 121a has, for example, a columnar or hemispherical shape.
  • the first raised portion 131a of the case 13 comes into contact with the first protrusion 121a protruding from the ground terminal base portion 121. That is, as in the first embodiment, the ground terminal base 121 and the bottom of the case 13 partially come into contact with each other. In this case, the contact resistance between the ground terminal base 121 and the case 13 is low.
  • the fourth embodiment will be described below with reference to FIGS. 20 and 21.
  • the fourth embodiment is a modification of the first connector 1 of the first embodiment.
  • FIG. 20 is a vertical cross-sectional view of the ground terminal 12 in the first connector 1 of the fourth embodiment along the front-rear direction.
  • FIG. 21 is a vertical cross-sectional view of the ground terminals 12 and 22 in the connector set in which the first connector 1 of the fourth embodiment is combined with the second connector 2 along the front-rear direction.
  • the configuration related to the ground terminal 12 is different from that of the first embodiment.
  • the configuration related to the signal terminal 11 is the same as that of the first embodiment.
  • the form of the ground terminal 12 itself is substantially the same as that of the first embodiment.
  • the second raised portion 131b of the case 13 includes the second protrusion 131ba.
  • the second protrusion 131ba protrudes from the second raised portion 131b toward the opening 130 side of the case 13.
  • the second protrusion 131ba projects inward of the case 13.
  • the second protrusion 131ba has, for example, a columnar or hemispherical shape.
  • the ground terminal female connection portion 122 comes into contact with the second protrusion 131ba protruding from the second raised portion 131b of the case 13. That is, the ground terminal female connection portion 122 and the bottom of the case 13 partially contact each other. In this case, the contact area between the ground terminal female connection portion 122 and the case 13 is small. Therefore, the contact pressure between the ground terminal female connection portion 122 and the case 13 is large. As a result, the contact resistance between the ground terminal female connection portion 122 and the case 13 is low.
  • the fifth embodiment will be described below with reference to FIGS. 22 and 23.
  • the fifth embodiment is a modification of the first connector 1 of the fourth embodiment.
  • FIG. 22 is a vertical cross-sectional view of the ground terminal 12 in the first connector 1 of the fifth embodiment along the front-rear direction.
  • FIG. 23 is a vertical cross-sectional view of the ground terminals 12 and 22 in the connector set in which the first connector 1 of the fifth embodiment is combined with the second connector 2 along the front-rear direction.
  • the configuration related to the ground terminal 12 is different from that of the fourth embodiment.
  • the form of the ground terminal 12 itself is substantially the same as that of the fourth embodiment.
  • the second raised portion 131b of the case 13 does not have the second protrusion 131ba of the fourth embodiment. That is, the second raised portion 131b of the case 13 is flat.
  • a second protrusion 122a is provided on the ground terminal female connection portion 122.
  • the second protrusion 122a projects toward the second raised portion 131b of the case 13. That is, the second protrusion 122a projects toward the bottom of the case 13.
  • the second protrusion 122a has, for example, a columnar or hemispherical shape.
  • the second raised portion 131b of the case 13 comes into contact with the second protrusion 122a protruding from the ground terminal female connecting portion 122. That is, as in the fourth embodiment, the ground terminal female connection portion 122 and the bottom of the case 13 partially contact each other. In this case, the contact resistance between the ground terminal female connection portion 122 and the case 13 is low.
  • the sixth embodiment will be described below with reference to FIGS. 24 and 25.
  • the sixth embodiment is a modification of the first connector 1 of the first embodiment.
  • FIG. 24 is a vertical cross-sectional view of the ground terminal 12 in the first connector 1 of the sixth embodiment along the front-rear direction.
  • FIG. 25 is a vertical cross-sectional view of the ground terminals 12 and 22 in the connector set in which the first connector 1 of the sixth embodiment is combined with the second connector 2 along the front-rear direction.
  • the configuration related to the ground terminal 12 is different from that of the first embodiment.
  • the configuration related to the signal terminal 11 is the same as that of the first embodiment.
  • the form of the ground terminal 12 itself is substantially the same as that of the first embodiment.
  • the case 13 does not have the second raised portion 131b of the first embodiment.
  • the bottom wall 131 is present at a position corresponding to the ground terminal female connection portion 122.
  • the plate portion 142a of the second holder 142 has a through hole 142ac instead of the second recess 142ab of the first embodiment.
  • the through hole 142ac is formed at a position corresponding to the ground terminal female connection portion 122.
  • the size of the ground terminal female connection portion 122 is larger toward the bottom of the case 13 as compared with the signal terminal female connection portion 112 (see FIGS. 6 and 13).
  • the ground terminal female connection portion 122 comes into contact with the bottom wall 131 of the case 13. Therefore, the ground terminal female connection portion 122 is electrically connected to the case 13.
  • the seventh embodiment will be described below with reference to FIGS. 26 and 27.
  • the first connector 1 of the second embodiment is modified, and the second connector 2 of the first embodiment is used.
  • FIG. 26 is a vertical cross-sectional view of the ground terminal 12 in the first connector 1 of the seventh embodiment along the front-rear direction.
  • FIG. 27 is a vertical cross-sectional view of the ground terminals 12 and 22 in the connector set in which the first connector 1 of the seventh embodiment is combined with the second connector 2 along the front-rear direction.
  • the configuration related to the ground terminal 12 is different from that of the first embodiment.
  • the form of the ground terminal 12 itself is substantially the same as that of the first embodiment.
  • the ground terminal intermediate portion 123 has a convex portion 123a.
  • the convex portion 123a is exposed in the opening 130 of the case 13.
  • the convex portion 123a projects from the straight portion of the ground terminal intermediate portion 123 toward the opening 130 of the case 13.
  • the convex portion 123a is formed at a position corresponding to the rear surface of the rear wall 234 of the frame 23 of the second connector 2.
  • the convex portion 123a of the ground terminal intermediate portion 123 of the first connector 1 is the rear wall of the frame 23 of the second connector 2. Contact with 234. Therefore, the convex portion 123a of the ground terminal intermediate portion 123 of the first connector 1 is electrically connected to the frame 23 of the second connector 2.
  • the ground terminal 12 comes into contact with the bottom of the case 13 at the ground terminal base 121. Further, the ground terminal 12 comes into contact with the frame 23 of the second connector 2 at the convex portion 123a of the ground terminal intermediate portion 123. That is, the ground terminal 12 is connected to the case 13 at the ground terminal base 121 separated from the ground terminal female connection portion 122, and further connected to the frame 23 of the second connector 2 at the ground terminal intermediate portion 123. As mentioned above, the frame 23 is the ground (GND).
  • the GND distance is shorter than that of the first connector 1 of the well-known connector set. Become. Therefore, the area through which the noise of the signal terminal 11 passes is narrowed. As a result, noise leakage of the signal terminal 11 can be suppressed not only when the low frequency signal is conducted but also when the high frequency signal is conducted.
  • the present invention is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the present invention.
  • the second connector 2 of the first embodiment and the second connector 2 of the third to seventh embodiments may be replaced with the second connector 2 of the second embodiment, respectively. It is also possible to appropriately combine the first connector 1 and the second connector 2 of each of the first to seventh embodiments.
  • the number of coaxial cables 3 connected to the first connector 1 is not limited to two.
  • the number of coaxial cables 3 may be three or more.
  • the first connector 1 includes three signal terminals 11 and two ground terminals 12.
  • the three signal terminals 11 are arranged in parallel with each other.
  • the two ground terminals 12 are arranged in parallel with the signal terminals 11 between the signal terminals 11 and each other.
  • a circuit board eg, a flexible circuit board

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

Dans un premier connecteur (1), une borne de terre (12) comprend une partie de base de borne de terre (121), une partie de connexion femelle de borne de terre (122) et une partie intermédiaire de borne de terre (123). La partie de base de borne de terre (121) est prise en étau entre le fond d'un boîtier (13) et un support (14), et est mise en contact avec le fond du boîtier (13). La partie de connexion femelle de borne de terre (122) est connectée électriquement au fond du boîtier (13). La partie intermédiaire de borne de terre (123) relie la partie de base de borne de terre (121) et la partie de connexion femelle de borne de terre (122).
PCT/JP2021/022966 2020-06-30 2021-06-17 Premier connecteur, second connecteur et ensemble de connecteurs WO2022004398A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202180042070.1A CN115917888A (zh) 2020-06-30 2021-06-17 第一连接器、第二连接器以及连接器组件
JP2022533842A JP7468657B2 (ja) 2020-06-30 2021-06-17 第１コネクタ、第２コネクタ、及びコネクタセット

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020113090 2020-06-30
JP2020-113090 2020-06-30

Publications (1)

Publication Number Publication Date
WO2022004398A1 true WO2022004398A1 (fr) 2022-01-06

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Application Number Title Priority Date Filing Date
PCT/JP2021/022966 WO2022004398A1 (fr) 2020-06-30 2021-06-17 Premier connecteur, second connecteur et ensemble de connecteurs

Country Status (3)

Country Link
JP (1) JP7468657B2 (fr)
CN (1) CN115917888A (fr)
WO (1) WO2022004398A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003068408A (ja) * 2001-08-24 2003-03-07 Jst Mfg Co Ltd シールドケーブルの電気コネクタ、そのコネクタ本体及びこの電気コネクタの製造方法
JP2016012553A (ja) * 2014-06-05 2016-01-21 株式会社村田製作所 コネクタセット及びコネクタ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015130266A (ja) * 2014-01-07 2015-07-16 第一精工株式会社 同軸コネクタ装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003068408A (ja) * 2001-08-24 2003-03-07 Jst Mfg Co Ltd シールドケーブルの電気コネクタ、そのコネクタ本体及びこの電気コネクタの製造方法
JP2016012553A (ja) * 2014-06-05 2016-01-21 株式会社村田製作所 コネクタセット及びコネクタ

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JPWO2022004398A1 (fr) 2022-01-06
CN115917888A (zh) 2023-04-04

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